The exterior of the PROIRON Red Foam Roller Massage is made of premium odourless high-density EVA foam and the interior of this foam roller fitness is made of high strength ABS material , which can bear 300lb weight maximum. The foam roller is suitable for the back, legs, buttocks, neck and shoulders. Exercise roller foam can help prevent injuries and can also support recovery following an injury. The PROIRON Red Foam Roller Massager measures 33 X 14 cm X 14 cm and is commercial gym quality. The ultra-strong foam roller massage is long enough to effectively work muscles throughout your body, yet muscle roller foam is still light enough that you can easily carry it in your gym bag. Use your foam roller for back, Yoga, Pilates classes or working out in the gym. The Premium quality dense EVA exterior has a textured trigger point design that is ideal for reducing soreness and discomfort in your back, legs, neck, IT-Band and shoulders. Regular use may help to facilitate post workout recover