Prevue Pet Products Naturals Mod Pods for Small Animals 62817 is a natural activity center and hideout for small animals, handmade with 100-percent natural, sustainable, materials. Made from environmentally conscious sterilized tree pods filled with silky all-natural fibers our Mod Pod can hang from cage wire or lay on the floor. When emptied, pod can be refilled with additional fibers or treats or left empty for playing and hiding. Ideal for mice, hamsters, gerbils and similar sized small animals. Each pod is a natural product measuring approximately 9ÆÆ long and 2ÆÆ in diameter. Pack of 2.