sedco gb1511this special round seat pad is especially suitable for achieving the correct (physiological) posture while sitting. Most chairs do not have an ergonomic seat angle. Our rehabilitation mat will help you eliminate this deficiency. By sitting on its front part the physiological tilt of the spine occurs which results in the spine straightening up to the cervical area. The effect of the mat is: as well as prevention against back pain and helps to maintain proper body posture. At the same time it is a so-called balance sit so without tension and effort you achieve active strengthening of not only the back but also the abdominal muscles. By using it regularly at home at the gym or in the office you will appreciate it as a unique aid in preventing poor posture while sitting. Even distribution of pressure on the buttocks ensures better blood circulation while sitting. Lower limbs and improves breathing. by exercising standing with the support of your hands or in other positions you avoid the possible risk of injury to the spine upper and lower limbs. Massage the mat is used in sports training of teams for proprioceptive and balance training in physiotherapy for the treatment of various pathologies of the spine lower and upper limbs strengthening of joints and spine (during exercise the muscles that stabilize the spine and joints are strongly involved). Size and inflation depend on the trainer or user (more inflated = more fragility). By inflating or deflating it you can regulate the firmness and fragility of the mat. technical description:- manufacturer: sedco- diameter 33 cm- weight: 1000 g- material: pvc- suitable for fitness training and relaxation- non-slip; flexible surface