This All Living Things Salt Lick Small Animal Chew encourages your small pet's natural instinct to chew. This long-lasting chew provides salt and minerals, and fits most Treat-K-Bobs as well. Only at PetSmart. Features: Long-Lasting Chews Includes: 1 Salt Lick, 1 Holder Intended For: Guinea Pigs, Hamsters, Gerbils, Rats, Chinchillas and more Life Stage: All Life Stages Package Quantity: 1 Salt Lick, 1 Holder Application: Chew Size/Dimensions: 1.3 oz ( g) Caution: Intended for small pets only. This is not a toy. Keep out of reach of children. Always select the appropriate size and type of toy for your specific pet. Be sure to observe your pet's behavior with a new item. Remove and replace the item if it becomes damaged. Ingredients: Salt, Manganous Oxide, Ferrous Carbonate, Magnesium Oxide, Calcium Sulfate, Copper Oxide, Cobalt Carbonate, Zinc Oxide, Calcium Iodate, Iron Oxide, Added Color (FD & C Yellow #5, FD & C Blue #1) Size: 1.3 Oz.