Super Pet Lava Ledge Perch Chew Treats for Chinchillas, Rabbits, Hamsters & Gerbils (Assorted) Encourages natural jumping exercise. Lava Landings are the perfect chew stones for chinchillas and other small animals! Your furry friend can keep its teeth in super shape by gnawing on these triangles of natural minerals. Chinchillas absolutely love to chew on lava! Encourages natural jumping exercise. Please note: Color specification is unavailable on this item