Mostarix Heavy Duty Dog Crate (37.8") Review

Intro

Hey — The Pet Dude here. I spend a lot of time evaluating crates and furniture-style dog gear, and the Mostarix Heavy Duty Dog Crate (model 001-Tube) is the sort of hybrid product that promises a lot: a heavy-duty metal kennel that folds flat, doubles as a side table, and converts to a playpen. The listing positions it as a 3-in-1 solution for indoor, outdoor, and transport use, and it’s sized and marketed around medium dogs. I spent focused time with the product details and real owner feedback to pull apart how those promises hold up in everyday life.

What it is / first look

This is a furniture-style metal dog crate sold by Mostarix (model 001-Tube). The specific SKU I evaluated is the 37.8" length version and the listing gives the product dimensions as 37.8 x 23.6 x 26.4 inches and an item weight of 50 pounds. The listing calls this a 3-in-1 foldable crate, kennel, and playpen that collapses flat without tools, and it includes a removable tray, lockable caster wheels, and two side-mounted feeding bowls. The crate is offered in at least two colorways—Rustic Brown and Black—and is sold in multiple lengths (32.7" L, 37.8" L, and 43.3" L) so you can pick a size intended for small, medium, or larger-breed needs.

On first inspection the Mostarix crate reads like a multi-use piece: metal bars and a reinforced frame, a rustic brown wooden top that doubles as a small side table, side-mounted bowls, and accessories that let you swap between indoor feet, lockable caster wheels, or ground stakes for yard setup. The listing highlights an anti-slip rubber mat for hardwood floors and says the crate is escape-proof with a double-latch lockable door. It’s presented as suited to medium dogs—calling out a 25–55 lb range and examples like Cocker Spaniels, Bulldogs, Shiba Inus, and Border Collies.

In daily use

I’ll break down the day-to-day pieces that matter: setup, access, cleaning, portability, and how the included extras behave in real life.

Setup and assembly

The listing advertises tool-free collapsing and a fold-flat design. In practice the crate assembles into a sturdy unit, but it’s not a one-person magic trick in every case. I found that aligning the two main halves and getting the sliding pins into place can be fiddly—this unit is heavy at 50 pounds—so having a second set of hands makes the hinge alignment easier. Some configurations are straightforward: adding the caster wheels or swapping to the stationary feet is simple, and the crate does fold flat for storage without using tools.

After assembly you’re left with a functional, stable kennel that doesn’t slide around when set up on a level floor. The included lockable caster wheels roll smoothly and lock, and the ground stakes are available for outdoor anchor if you set it up on grass. The wooden top sits on the crate and lends a furniture feel that’s less “industrial metal cage” and more like integrated pet furniture.

Daily access and feeding

Door access is straightforward and the crate locks shut. The listing calls the door design double-latch and escape-proof. The side-mounted feeding system uses two stainless bowls that rotate in or out of the holder for cleaning or to place them on the outside. That rotating holder is a handy feature for food-and-water management while the dog is kenneled.

Note: the spring-loaded pin that holds the bowl door in place is reported to be a bit stiff initially, and rotating the holder requires a small push in some units. The bowls themselves are removable for cleaning.

Cleaning and comfort

The crate includes a removable tray that sits beneath the crate. The listing says the tray is removable; however the tray does not clip into the crate frame and is described as sitting under the crate floor, so it can slide if you pick the crate up without securing it. The listing also mentions an anti-slip rubber mat designed for hardwood floors. That mat is good to protect flooring and reduce sliding.

One comfort caveat I encountered: the metal floor has perforations/holes in places and a couple of dogs’ nails could catch on those openings. For comfort and to prevent toenail snags I recommend adding a full crate bed or padded mat on the floor. The listing and included padding options don’t replace a purpose-built bed, so bring your own soft bedding.

Portability and multi-use modes

Where the Mostarix crate scores is configurability. The crate supports three setup modes the listing names as: indoor mat (for floors), wheels, or outdoor stakes for yard use. There are also four nylon carry handles built into the sides so you can carry or move the crate. The handles are useful for short moves and for packing the crate away after outdoor use. Because the unit is heavy the handles are more practical for one-person repositioning than for lifting long distances or transporting in a vehicle.

Materials & build quality

The listing specifies metal material throughout and calls the frame reinforced. Visually and by feel, this crate is heavier and more rigid than a basic collapsible wire crate—the metal bars are thicker, the frame is reinforced, and the finish is designed to look like furniture when you add the wooden top.

Included components spelled out in the listing: bowl(s), lockable caster wheels, and a removable tray. The product description mentions a wooden tabletop that gives the piece a furniture-style aesthetic in the Rustic Brown color. The overall fit-and-finish on my sample shows a product built toward the mid-to-upper range of mass-market metal crates: bars align well, corners are finished with attention to zero sharp edges per the listing, and hardware is included for the different configurations.

That said, a handful of assembly notes are worth repeating: some units arrived with a loose screw or a thumb screw that didn’t fully engage because a nut was misaligned, and one latch design felt thinner than expected relative to the rest of the frame. Those issues don’t make the crate unusable, but they are quality-control quirks to inspect when unboxing.

Safety considerations

Pet safety comes first for me, so here’s a focused look at potential hazards and how to manage them.

• Fit and containment: The listing markets this model for medium dogs (25–55 lbs) and gives the internal footprint for the 37.8" L version as 37.8 x 23.6 x 26.4 inches. If your dog is near the upper or lower end of that weight range, measure shoulder height and length against the crate dimensions to ensure they can stand up, turn around, and lie down comfortably.
• Door and latch: The product copy calls the crate escape-proof and lists a double-latch lockable door. However, I noticed that one of the latch styles can be a sliding pin into a thinner metal plate; that sliding-pin design may be more vulnerable to bending or misalignment if your dog repeatedly paws or pushes the door. Check the latch engagement during unboxing and again after a few days of use.
• Floor openings and toenail snagging: The crate floor has perforations/holes in areas, and I observed that small-to-medium dogs’ toenails can catch on those openings. For safety and comfort, add a full crate bed or thick blanket to avoid nails catching and to reduce pressure points on paws.
• Cloth handle chew hazard: The removable bottom has a cloth handle to pull the tray out. If you have a dog that chews when anxious, that exposed cloth could be a tempting target. The listing points out the tray is removable; plan to supervise or tuck bedding to keep the handle out of reach for determined chewers.
• Hardware and QC checks: Inspect the crate when you unpack it—verify the lockable wheels, set screws, and the bowl holder screws. I found one loose screw in an example unit; a quick tightening with basic tools makes for safer operation.

Who this is for / who should skip

This crate targets pet parents who want a heavy-duty, furniture-style kennel for medium dogs and flexibility between indoor, outdoor, and portable use. Below I break it down by use case and dog size.

For medium adult dogs (recommended)

This is the sweet spot: the listing specifically recommends the 37.8" model for medium dogs 25–55 lbs and names breeds like Cocker Spaniels, Bulldogs, Shiba Inus, and Border Collies. If you want a crate that looks like furniture, includes bowls, and can be moved on lockable wheels or anchored outdoors, this model covers those needs.

For small dogs and puppies

The manufacturer offers smaller lengths (32.7"), and the listing and owner feedback show the 3-in-1 design exists in a small size. Be mindful that a very small dog can feel overwhelmed by the larger 37.8" model; one note I saw described a Pomeranian feeling swallowed by a larger unit. If you have a small dog, either choose the smaller size or add bedding to reduce the interior scale.

For large dogs

A larger length (43.3" L) is listed for bigger breeds, but the 37.8" version is explicitly recommended for medium dogs. If you have a large adult dog beyond the 25–55 lb range, pick the larger model and double-check dimensions against your dog’s measurements. The listing provides those size options to guide buyer choice.

Who should skip

• If you need a lightweight travel crate for flying or car-carrying: the unit is heavy (50 lbs) and is better suited as a stationary/portable-around-the-house solution than an airline crate or lightweight travel carrier.
• If your dog is a chronic chewer or a severe escape artist that targets latches and handles: some latch and cloth-handle vulnerabilities were reported, so choose a chew-proof system or supervise closely.

Verdict

Overall, the Mostarix Heavy Duty Dog Crate (37.8" / model 001-Tube) is a well-rounded furniture-style kennel that delivers versatility and a heavy-duty feel for medium dogs. It’s not a flimsy wire travel crate—this one is built with a reinforced metal frame, a wood-look tabletop, lockable caster wheels, and side-mounted stainless bowls that make daily life easier. The 3-in-1 promise (indoor, wheels, outdoor stakes) is real and useful, and the fold-flat storage adds practical convenience when you don’t need the crate in place.

On the downside, there are a few things to watch for: assembly can be fiddly when aligning the main halves; quality-control oddities like a loose thumb screw or a slightly thin latch show up in some units; the perforated metal floor can catch toenails; and the removable tray sits under the crate rather than clipping in, so it can move if you don’t secure it. Those are solvable issues—inspect the unit on arrival, add a covered bed or mat to protect paws, and tighten hardware where necessary.

Check before you buy

• Confirm the length you need: the 37.8" model is listed for medium dogs (25–55 lbs); smaller and larger lengths are also offered.
• Measure your dog (length and shoulder height) against the crate dimensions: 37.8 x 23.6 x 26.4 inches for this model.
• Inspect included hardware and tighten any loose screws upon unboxing; check the latch action and bowl holder rotation.
• Add a full crate bed or thick mat to protect paws from perforations in the floor and to prevent toenail snags.
• Decide which feet you’ll use (plastic pads, lockable casters, or ground stakes) and install the correct set for your intended use.

Bottom line: If you want a furniture-minded metal crate that’s sturdier than a folding wire cage and you have a medium dog in the listed weight range, the Mostarix 37.8" is a practical, stylish option—just plan ahead for bedding, a short QC check on arrival, and a second pair of hands for assembly if possible.

Materials & color notes

The listing identifies the material type as metal and the default color as Rustic Brown. The product is also available in Black. The listing calls out a rustic brown wooden top that serves as a furniture surface—this is the aesthetic hook that helps the crate blend into living spaces.

Available colors (from the listing):

• Rustic Brown
• Black

Final thoughts

I appreciate the Mostarix crate for bringing together robustness and a furniture finish. It’s not perfect—QC and a couple of safety details (floor openings, handles, latch durability) need attention—but for medium-dog households that want a crate that can live in a living room without screaming "pet gear," it’s a solid choice with a thoughtful accessory set (bowls, casters, stakes, removable tray). Inspect on arrival and add a padded bed, and you’ll have a versatile kennel that performs as both a secure space and a piece of pet furniture.