Outward Hound Toughseams Snake 3 Squeakers Invincibles Tough Seamz are designed to play as hard as your dog does! Designed with double layered and double stitched seams, Tough Seamz are built to last twice as long as regular Outward Hound Invincibles plush toys. Plus, tough Seamz contain our bestselling Invincibles squeakers that keep squeaking if punctured! Invincibles Tough Seamz are guaranteed to keep your pup playing longer!