Florida Marine Research SFM50013 Naturals Reptiles Calci Sand, 1-Pound, Green Naturals fine calciferous sand for reptiles is ideal for chameleons, tortoises, lizards, snakes, arachnids or insects come from an arid environment Non-toxic natural vegetable based coating makes perfect decor for pets terrarium Features no artificial dyes or chemicals Calci-sand makes spot cleaning a breeze as it readily clumps wet waste material drying and preventing it from being spread Available in green color