SNPE wave pillow is half foam roller used for effectively performing posture exercises. The material is Premium ABS Plastic. This color is pink Learn SNPE's posture correction movements by watching the videos on YouTube (turn on subtitle) Correct the posture and relieve pain of upper back, shoulders, neck, lower back Half roller with ABS material is an excellent way to relax the muscle of the legs and hips which round foam roller cannot be used properly Stretch the calf by standing on the surface of wave pillow SNPE is the largest posture correction community in South Korea SNPE app is available on iOS and Android to assess your current posture SNPE Wave Pillow Pink. Posture Correction Exercise Tool for Back Shoulder and Neck. Half Foam Roller ABS for Relaxing Hip Muscle and Calf Stretching. - BP21POKDV