Treated Carole to a later version of the Turtle so her original is for sale. Large volume, horse shoe shaped air bag that protects the chest, collarbone and supports and restricts movement of the neck and also has a permanent, hard back protector. The vest is approximately 4 years old, is in good order, no rubs, scuffs or rips, has a replaceable gas canister (costs about £18) and an attachment cord. From memory, the bag has been functioned once during a zero mph step off drop. Love them or hate them, the vest offers a high level of protection, does not need to be returned to factory to fit a new gas canister and is not restricted to a number of deployments. Helite (UK) do offer servicing and a refurbishment/replacement panel service if the vest is badly damaged. £200 + postage. Andy