Features The seat panels and back are made in wipe clean, vinyl coated, flame retardant nylon and may be removed for cleaning. The chairs fold to a slim size for storage. Available in a range of models designed to offer a choice of features to meet the demands of differing environments. Benefits A chest restraint with an Easi-Clip buckle and the raised seat panel enhance patient comfort and security. Stainless steel construction. The Mk4 has four wheels, a raised foot rest and lifting loops, plus a higher back panel