Features: brand new and high quality Back pain relief without dangerous drugs or surgery ,never before has there been a safer and easier way to get relief from back pain. the magic stretcher provides an alternative to drugs that contain side effects and surgery that is complicated and risky. High quality for extra hard dense EVA foam with unique design,the EVA foam available that is soft to the for touch yet hard and dense to not crush down under weight. Support your back needs,our back cracking device is carefully designed with 109 massage points to act as a self massager. the unique massage point arc shaped design effectively reaches deep and stretches upper + lower back muscles completely. the contour along the center was designed specifically to help align the spinal cord when in use. Lightweight ,portable, the lightweight coupled with the durable build, our chair and car back support stretcher can accompany you on all your travels so you can use it any where . simply use it 5 10 minutes a day whether in your car, office, gym, etc. Wonderful gift , it can be a sweet warm gift for your friend , family who suffer sciatica and sciatic nerve pain, chronic lumbar and lower back pain, herniated disc pain, spinal stenosis, back stiffness and bad posture yoga people. Specifications: Size:3324.59.5cm/139.653.74inches Color:Blue,Gray,Pink Note: Please allow 1-2cm errors due to manual measurement. Due to the difference betweeen different monitors,the pic may not reflect the actual color of the item.