SUPER SAFE NON-TOXIC Our Rubber Dog Chew Toys are made of hard natural rubber making it 100% safe for your pets. SUPER DURABLE and LONG LASTING.These nearly indestructible dog toys will entertain your dog for hours unlike squeaky or plush toys that get destroyed in minutes. DENTAL CLEANING The spikes or soft grooves on the surface helps in cleaning and massaging the gums hence controlling plaque and tartar build up.