Description: The Back Stretcher for Lower Back Pain Relief is made from high-quality PU foam and processed with exquisite workmanship, which ensures you more comfort than the traditional stretchers and great durability. Specification: Name: Lower Back Stretcher Neck Massager Spine Board Material: PU Size: about 30.8*23*8cm/ 12.1*9.1*3.1inch Packing List: 1*Lower Back Stretcher Neck Massager Spine Board Note: Due to the lighting effects and shooting angles, there is a color difference in the product, please understand. Due to manual measurement, there is a tolerance in the product size.