Product Description The Smik Convoluted Foam Ring Cushion provides comfortable support for short-term sitting. Its ring-shaped design helps reduce direct pressure around sensitive areas, while the convoluted surface improves airflow for greater comfort. Made from soft open-cell foam, the cushion is lightweight and easy to use on compatible chairs, at home or while travelling. A removable cotton overslip is included for added comfort and easier cleaning. Key Features Ring-shaped design for targeted comfort Convoluted surface improves airflow Soft open-cell foam construction Suitable for short-term sitting Lightweight and portable Removable cotton overslip included Supports users weighing up to 100 kg Specifications Specification Details Product code MC9990 Outside diameter 430 mm Inside diameter 150 mm Height 100 mm Material Soft open-cell foam Cover Cotton overslip Maximum user weight 100 kg