Upgraded Back Stretcher for Lower Upper Back Pain Relief

CHIROPRACTOR Ergonomic Design: 1) Based on 700 days of research on 2000 pieces of back, 138 massage points and 18 magnetic points for the best fit back rupture device (others are casual designs). 2) 5-10 minutes twice a day, just lie there and the back, treat pain, improve posture, and release compressed muscles, nerves and discs. Upgraded Full Adjustment: Scientific height design (expert recommendation: 4.5cm - 7.5cm) fully adjustable, no gear restrictions, just rotate the lower bar easily, instead of the complicated 3-level grooves of other brands. Remarks: Narrow side up, wide side down, CCW rotation increases curvature. SUPER STRENGTH AND FLEXIBILITY: Upgraded ABS plastic, more durable and flexible than other similar products. Holds up to 350 pounds and passes 18 stability and tensile strength tests. Comes with a soft foam pad (optimal) and a stiffer silicone strip (several preferences) to center it to better protect your spine. Easy to use: 1) 5 seconds to assemble, just insert the strip (others are 900 seconds to install). 2) Portable, small and light. 3) perfect for office workers, housewives and drivers. 4) One size fits all. Height Range: 160.99cm - 160.58cm, Maximum Weight: 149.72kg. 5) perfect gift for parents or friends with back pain. IMPORTANT: 1) For beginners, spread a towel first, low at the beginning and will move up after getting used to it. 2) Normally, it will be a little uncomfortable after stretching; 3) Use a pillow and deep breathing to help you relax; 4) If you have surgery or back injury, please consult your doctor before use. Colour:purple+blue Material:ABS+Silicone+Sponge Package Contents: 1 x Back Stretcher 1 x sponge strip 32.5 x 5 x 1cmOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.