Ergonomic, Comfortable, and Supportive Convoluted Foam Ring Cushion 43cm. Introducing our Convoluted Foam Ring Cushion 43cm - the perfect choice for short term sitting users! With its convoluted surface for increased air circulation, this cushion offers the ultimate in comfort and support. Plus, it comes complete with a cotton over slip for added convenience. Whether you're recovering from an injury, dealing with a temporary condition, or simply need a little extra cushioning, this product is sure to meet your needs. Convoluted Foam Ring Cushion 43cm Features: Ideal for the short term user requiring comfort and support Convoluted surface for increased air circulation Soft open cell foam cushion Supplied with cotton over slip Convoluted Foam Ring Cushion 43cm Suitability: People recovering from an injury, dealing with a temporary condition Short term sitting patient Convoluted Foam Ring Cushion 43cm Function: Coccyx pressure relief Hip pressure relief Helps promote better posture Ergonomic soft moulded design provides comfort and support Convoluted Foam Ring Cushion 43cm Specifications: Outside Diameter: 430mm Inside Diameter: 150mm Height: 100mm Max User Weight: 100kg