The New Age Pet Mojave Stacker is made with ECOFLEX, a proprietary composite blend of new and recycled polymers, and reclaimed wood fiber by-products. The ECOFLEX material is non-toxic, eco-friendly and impervious to moisture and odor, making it the perfect material to keep your pet happy and healthy. All New Age Pet reptile products are backed by an unrivaled 10-year limited manufacturer's warranty. Designed with reptile enthusiasts in mind, the Mojave stackers make it easy to put your reptiles on display. Stack two medium or large Mojaves using the Mojave Stacker, specifically designed to stack units and safely accomodate lighting set-ups for the lower unit. Offered in two colors and sizes to compliment the Mojave Reptile lounge line. New Age Pet products are easy to assemble, easy to clean and easy to LOVE!