Square cushion with a ring in the centre, designed for the prevention of bedsores. Helps to disperse the pressure acting on the bones of the hips and legs in sitting posture. Contributes to pain relief in the pelvic floor, anal and urogenital areas, assists in the treatment of haemorrhoids, fistulas, postpartum pain, postoperative recovery in diseases of the prostate or perineum. It facilitates postural movements in users with little mobility. It is black and is made of a soft and hypoallergenic material.