purplebox 7x4x4 by Tarantula Cribs
purplebox 7x4x4 by Tarantula Cribs
5.0 / 5.0
(5) 5 total reviews
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Marshall Arachnids has collaborated with Tarantula Cribs to BRING BACK the original purplebox acrylic enclosure, only this time with some improvements! This model of the popular purplebox features 3mm acrylic panels, our signature purple bottom and 1mm "hexed" ventilation slats. New features include a polished and more robust door track, as well as a low profile integral pull tab. Top opening, magnetic sliding door.
This enclosure is ideal spiderling - juvenile tarantulas and other invertebrates under 2"
**CAUTION** Anything 1mm or smaller CAN fit thru the ventilation slats.
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- FEATURES -
DIMENSIONS: 7" x 4" x 4"
FRAME: 5mm acrylic with Marshall Arachnids signature purple bottom.
ACCESS: Top opening, full length magnetic sliding door with integral pull.
VENTILATION: 1mm slats
SUBSTRATE DEPTH: 3”
[PHOTO CREDIT: Richard Stewart - The Tarantula Collective]





I really like this enclosure, just rehoused my roatan purple into it! I plan on getting more soon!
Title says it all. You get great air flow. Plenty of room for the type. High build quality. My spiders love them. Easy viewing as well.
These cages are very well made. Thick heavy and spectacular. I purchased three terrestrial and one arboreal cages. All arrived well packed and flawless. Shipping did take some time, but it was so worth the wait.
I purchased two of the new 7x4x4 purplebox enclosures and they are absolutely gorgeous. My purplebox arboreal enclosure is one of the few acrylic enclosures I've been satisfied with. Other brands have all experienced lid warping. With that in mind, I was excited to try out these new terrestrial appropriate enclosures.
I have not put them in use yet, but I will say that the acrylic for the lids is very thick (it appears to be roughly 1/4" - I did not measure). Other brands I've tried have lids that are about half that thick.I honestly have no concerns that it will warp. The sliding mechanics are also much smoother than any other brand I've tried. The taller handle is a nice touch.
Another feature I really prefer is that the acrylic that holds the magnets is one long bar along one end, and do not create a lip either all the way around, or blocking each corner, like other designs.
And of the course, the purple color of the base is amazing :) I recommend adding the feet as they are high-quality, soft, and sit square. There is no rocking if you're on a flat surface.
Awesome craftsmanship, great price, and exactly what I was looking for!
Let customers speak for us
from 303 reviewsT is great customer service is better. Definitely recommend!

My first time buying tarantulas and they came in perfect condition. They answered all of my questions. I will definitely be purchasing from them again!!

So just got the megamix. My first impression is that soil is a wonderful organic mix. You can see, smell and feel the difference in this substrate compared to any others ive used. I really love that a complete list of ingredients is given. I fully believe this will be a great mix for my bioactive enclosure in the long run.

Package came on time and intact, very beautiful spider. Will probably make purchases from them in the future.

These good folks at Marshall arachnids are truly remarkable spidey was shipped to me within a nice timely fashion also alive and very much healthy, can’t wait to see how big spidey gets and to order a whole bunch more Thanks Marshall arachnids your the best

I appreciate how responsive you all were through the process of placing the order and receiving our Spider.

Great packaging as always and great customer service and education!

The spiders were packed safely and securely. The animals I received are healthy and thriving.

Ordered a 40 dram vial, arrived on time and is good quality. Had some questions about the ventilation hole size and concerns about slings. They were very quick to respond and extremely helpful.

I appreciate that I was contacted to plan a shipping date and the shipment was well packaged. I received 4 Carabina Versicolor slings, they were well started and in great health. Will purchase again:)

I recently purchased a ¼” Typhochlaena seladonia sling from Marshall Arachnids, and I couldn’t be happier with the experience. From start to finish, everything was handled with professionalism and care.
The packaging was top-notch—the sling arrived safe and secure, with the vial sealed properly and held in place with tape. What stood out to me was the attention to branding: the vial, the tape locking the vial, and even the bag the vials were placed in all matched Marshall Arachnids’ signature colors, adding a nice touch of professionalism.
Customer service was also excellent. The representative I spoke with was helpful, responsive, and provided a smooth purchasing experience. As a bonus, I received some great freebies, which was a pleasant surprise and much appreciated.
Overall, I highly recommend Marshall Arachnids for anyone looking to purchase high-quality tarantulas with great packaging, excellent customer service, and a little extra care in the details. I’ll definitely be ordering from them again!

My Versicolor came in perfect condition. Nice and warm. Fast shipping. Will definitely be buying from them again!

Great packaging and awesome customer service!! Cutie patootie spider, can’t wait for it to get some color!!

Absolutely love this product. It was the perfect new addition for our caribena versicolor. 100% recommend.
