-Heavy Material: This reptile hide cave is made of environmental resin, solid and sturdy, Non-Toxic, odorless . And it will not move or float when they move . Easy to stall. Please wash with soap water before use. -Product size: N17 SIZE Outer dimension: 5.12" (Width )x 8.07" (Depth) x 4.33" (Height); Inner dimension: 3.94"( Width )x (7.87") Depth x (3.94" )Height -Ideal Hiding Place: Providing great hideaway for our pets,enhance the sense of privacy and security for them .Hiding place for Reptiles, Small Lizards, Turtles, Bearded Dragon Tortoise,Amphibians,Fish - Perfect appearance design: Natural color and crafted texture creates realistic looking rock landscape. -About service: If the item arrives damaged, please contact the seller directly and ask for a new replacement or refund!