Recreate a reptile"s desert habitat with attractive, 100% natural ground English walnut shell, It"s lighter in weight than old fashioned sand, and dust free for a healthier home environment, Won"t scratch cage glass, This material is made in the USA, and can be readily composted with everyday yard waste, Creates a natural and attractive desert environment, Excellent heat conductor, Stimulates natural digging and burrowing behavior, Advantages that leave sand in the dust, 50 lbs, Dimensions: 5""L x 19, 75""W x 23, 25""H, SKU: RYLHC4805