Bestway Adult Swim Ring (Mud Master)Bestway swim tubes are the ideal pool accessory for a relaxing float on a hot day. Pool goers can float the day away in style, atop tubes designed to follow the latest fashionsand trends. Easy to inflate, deflate and store, some floats even feature thoughtful add ons such as cup holders or handles. The Bestway Adult Swim Ring (Mud Master) is constructed from sturdy, pre tested vinyl and features a safety valve. It is available in five designs,