Lastworld 11" Blue Sports Slimmer Belt Back Support Waist Trimmer-Exercise Belt-Gym Tummy Belt Blue, Adjustable Neoprene Belt With Velcro Fastener. Sauna Action During Exercise Or Daily Activities For Effective Slimming Of Waist And Hips. Get Greater Benefits From Your Normal Exercise Routine. Useful In Reducing Back Pain. Deluxe Premium Material.