No need for inflation. The Kiefer Neoprene Float Swim Collar is soft and comfortable to wear, perfect for flotation therapy or deep water exercise. The quick release adjustable slide fastener eliminates Velcro which can damage swimwear. This swim collar is made of the highest quality black neoprene and is filled with Styrofoam pellets. Great for Bad Ragaz, patients with spinal cord injury, or handicapped swimmers. Dries quickly and keeps head above water. Black. Kiefer - The First Name in U.S. Swimming since 1947.