The Box O Hay w/ apple sticks is a Safe, chewable cardboard box that offers your pet fun and entertainment while gnawing it and then a surprise in the center of delicious treats. It contains timothy hay, which is a natural fiber that is vital for small animal's digestive health. Ideal for most small animal including rabbits, guinea pigs, hamsters, gerbils, mice, rats and chinchillas. Measures 5" x 3".