EVAandTPE Made: Made of EVA and TPE material, our product is featured with softness, elasticity, providing strong support and ensures a comfortable using experience. Massage Granule: Design with 109 massage nubs, our product gives you the most comfortable touch and functioned as a great pain reliever. Humanized Angle: 26 angles design makes it suitable for human back waist curve, and enhances maximum massage effect. Heavy Load-bearing: Durable and can hold 100kg capacity, this stretcher is not easy to break and designed to last. Wide Application: Do not just use this pad as an after exercise stretcher, also use it in your daily life With its special design, it will easily fit as a seat cushion and protect you back while you work. Specification: Color: multi-color. Material: PE. Size: Approx 31x25x10.5cm or 12.20x9.84x4.13inch. Note: There might be a few color distortions due to different resolutions. There might be a slight error due to different hand measurements. Package Includes: Back Neck Stretcher 1pcs Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.