SnugPak Stasha Shelter Nylon Includes 4 guys ropes, 10 feet Grommets on each corner Can be snapped together for emergency bivy Light weight design that allows for three different arch angles to stretch your back Helps relieve chronic soreness, aches, lower and uppeer back pain. Muscle tension and poor spinal alignment can be relieved and adjusted Acupressure points offer precision massages to improve blood circulation and cellular metabolism Relieves chronic back pain and discomfort within minutes Improves flexibility of your back Multi-level design with three different arch angles allow for deeper and controlled stretch Easy to assemble, easy to put away, and highly durable with high quality plastic No. 1 rated back stretching device by Dr. Oz on TV Effective neck pain relief and prevention - Cradle your neck gently with pillowy foam supporting and re-aligning with the heavy duty plastic frame that helps place your head and neck in a more comfortable, pain-free position. Thousands of customers have already successfully stretched away their neck pain with this neck stretcher. Relief in as little as 15 minutes: even with professional chiropractors, it can take multiple expensive sessions before any relief is achieved. Treats multiple ailments: use it to treat chronic pain, pinched nerves, bulging discs, arthritis and bone spurs.