Adopting reverse C-thrust principle and 0.2MPa air pressure, our decompression back belt holds your midsection together to provide strong support and stabilization for the lower back. This not only relieves strain and pain in your back, but it also improves your posture. Can be fully inflated for around 2 minutes and keep inflated for 24 hours.The hand pump and air valve keys help easy inflation and deflation. Come with an extension pad, fit for all waist. Friendly Reminder: 1. During the first week, please do not wear the belt too long for adaption. 2. It is not suitable for wearing the belt when you sleep, it may cause blood stagnation. 3. Not suitable for pregnancy, bleeding, malignant tumor, intense heat, skin lesion, severe hypertension, serious osteoporosis. Powerful Lumbar Support: Adopting reverse C-thrust principle and 0.2MPa air pressure, our decompression back belt holds your midsection together to provide strong support and stabilization for the lower back. After inflating with air, the belt stretches and supports the lumbar spine with the 52 H-shaped air columns and 8 stomata. This not only relieves strain and pain in your back, but it also improves your posture. Easy To Use: The hand pump can fully inflates the belt for around 2 minutes. The air inlet can store the air for around 24 hours. Also comes with the air valve key for easy deflation. Fit: Come with a 9.8in long extension pad and 46.9in long belt, our decompression back belt fits for all waist. Versatile Use: Lightweight and comfortable, can be widely used during activities or while resting, such as walking, sitting, lying, gardening, golfing, working, driving, etc. Thoughtful Gift: Effectively helps relieve back pain and work fatigue. An ideal gift for our mother, father, lover and collegue etc. Specification: Brand: Product Type: Decompression Back Belt Color: Beige Materials: TPU(Inflation Layer)+PU(Outer Layer)+Cotton(Inner Layer) Air Pressure: 0.2MPa Belt Width: 13.5cm/5.3in(Before Inflation); 20cm/7.9in(After Inflation) Inflating Time: Around 2 Minutes(30-33 Times) Holding Time: Around 24 Hours Recomended Use Time: At Least 30 Minutes Hand Pump Length: 90cm/35.4in Extension Pad Size: 25x11.7cm/9.8x4.6in Item Size(Folded): 25x13.5x6cm/9.8x5.3x2.4in Item Size(Unfolded): 119x13.5x0.3cm/46.9x5.3x0.12in Item Weight: 373g/0.8 lbs Package Size: 28x18x7.5cm/11.02x7.08x2.95in Package Weight: 712g/1.57lbs Package Contents: 1 x Decompression Back Belt 1 x Hand Pump 1 x Extension Pad 1 x User Manual