Beautifully crafted from 100% all-natural Orbicular grains, Nature's Ocean Reptile Science Pro-Calcium Sand offers a safe and healthy environment for your pet reptiles! With its ability to prevent internal and external abrasions as well as significantly reducing the risk of ...Beautifully crafted from 100% all-natural Orbicular grains, Nature's Ocean Reptile Science Pro-Calcium Sand offers a safe and healthy environment for your pet reptiles! With its ability to prevent internal and external abrasions as well as significantly reducing the risk of impaction, this sand is 100% digestible and free of silica and phosphates. Containing essential Strontium, Potassium, and Magnesium, it eliminates odors while creating an all-natural ecosystem for your reptilian companion. Perfect for terrariums, snakes, turtles, Bearded Dragons, BOAs, Rat Snakes, Iguanas, Green Iguanas, Blue Iguanas, Tortoises, and Lizards!