FEATURE natural, safe and biodegradable components They strengthen dogs teeth and make cleaning easier It doesnt alter your dogs diet It provides playtime and is a good stress reliever. No expiration date Safe if ingested Two helix-shaped sizes, for all dogs DESCRIPTION Perfect for maintaining your dogs oral hygiene! Ferplasts GoodBite Natural line features the new Helix series of edible toys. Made from natural, non-toxic, and biodegradable ingredients, they wont disrupt your dogs diet. Useful as a stress-relieving toy, they encourage play while keeping teeth clean and strong. Absolutely safe if ingested. Plus, their helix shape is designed for better dental hygiene. The new Helix toys are available in two sizes, Small and Medium, for puppies and dogs of all sizes. Youll find six different flavors to choose from, so you can pick the one your dog likes best!