About This Item. Manual Inflation / Deflation: We Can Determine The Amount of Air Charged Into The Cushion When You Inflate It According to Our Own Needs to Make Us Feel More Comfortable. Easy to Clean: The Pillowcase Is Removable And Washable, Which We Recommend Washing Your Hands. Relieve Waist Pain: Long Time Sedentary Will Lead to Lumbar Deformity And Lumbar Pain Problem, If Inflatable Cushion Tcare Lumbar Support Is The Best Choice for Heilwiy office Worker, Driver, And Traveler, Etc. Ergonmic Design Specifically Targets Back Pain: With Our Universal Contoured Structure, Our Back Cushions Can Be Placed Anywhere On The Back of A Chair for Heilwiy Neck, Upper, Middle, Chest Or Lower Back Relief. Use This Backrest As A Posture Corrector to Help Alignment And Relieve Pressure When Driving Your Car Or Sitting In Your office Chair At Work. Ideal for Heilwiy Gamer, Truck Driver, Men.