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. Tough chewers have met their match with these Outward Hound Invincibles Tough Seamz toys. Featuring Chew Shield Technology and our bestselling Invincibles squeakers that keep squeaking if punctured, these stuffing free, plush dog toys are made to stand up to tough play. Durable binding on these Tough Seamz toys challenge the mightiest of mouths helping dogs play longer and harder.