・Decompression Back Belt:Incorrect posture and overstretching will slowly cause lumbar problems. Daily stretching for 2-3 minutes to help improve back pain,relieve nerve pain and increase flexibility ・Multi-Positional Stretching:No longer suffer from upside down. Lifting or dangling your legs will stop decompression because your core muscles will tighten. Putting your feet down allows your body to relax and increases your back stretch ・Fixed Rings:Double protection and free adjustment makes use safer and more assured ・Underarm Pads Design:When stretching,the downward pull can cause armpit pain. Underarm pads are designed to reduce some friction to ease armpit discomfort and improve comfort ・Back Alignment Device:Outer is made of high-quality nylon fabric and diving material,which will not deform and tear easily ・If you don't feel improvement after 1 treatment,don't be alarmed. Just give your body more time to respond. Try more and find the stretching method that suits your body Specifications: ・Material:Nylon+diving material ・ Size Length (cm) Width (cm) Shoulder Strap (cm) Waistline (cm) S 109 16 157 86-97 M 127 16 157 98-109 L 140 17 172 107-117 Note:The package only includes straps,and the pull-up bar is Not included. Package included: ・1 x Back Stretcher