Kaytee Box O' Hay Variety Pack starts with Timothy Hay which is an excellent source of the natural fiber small animals need to support digestive health. Small pets love to explore for food and chew and gnaw their way to tasty treats. Single serve Box O' Hay's with Carrots, Mint or Marigolds provide safe-to-chew boxes that add fun activity and variety to your pet's diet. Foraging treat are great for small animals: Rabbits, Guinea Pigs, Hamsters, Gerbils, Mice, Rats and Chinchillas.