Prevue Hendryx's Hamsteroids Cosmic Chew Sticks keep teeth and nails manicured while satisfying pets natural instinct to nibble and chew. These fruit scented and flavored sticks are made with wood and coated with a 100% natural cosmic formula so you can rest assured they are safe for your pet. Hamsteroids Cosmic Chew Sticks are sure to provide your hamster, gerbil, guinea pig, mouse, or rat with hours of enjoyment all the while filing their teeth.