Advantages that leave sand in the dust! Recreate a reptile's desert habitat with attractive, 100% natural ground English walnut shell. Ground to a uniform size, this bedding provides a comfortable home for desert-dwelling reptiles by retaining heat. Ideal for Bearded Dragons, Monitors, Skinks & Uromastyx. This material is made in the USA, and can be readily composted with everyday yard waste. For hatchling and juvenile reptiles, it is recommended to use a Zilla Terrarium Liner.