Zilla Rock Den X-Large Reptile Terrarium Hideout AccessorySafe and secure hiding spots are essential in any terrarium to help keep your pet stress free. The Zilla Rock Dens are durable, easy to clean with warm water, and blend into any desert habitat with their naturalistic design. The small opening allows for your pet to get in easily while keeping the light out and the inside dark and secure. Key Benefits: Designed to give reptiles a place to hide and cool down and also promotes nesting activity