STORE PICK UP ONLY - Does not ship Exo Terra's Desert Terrarium Sand is natural real desert sand with no added dyes or chemicals. The sand has been sifted to remove impurities and to obtain a homogenous sand grain size. - Natural desert sand, no added dyes or chemicals - Creates a natural and attractive desert environment - Excellent heat conductor - Stimulates natural digging and burrowing behavior - Suitable as egg-laying substrate