For comfort when seated This Icare Donut cushion is ideal for individuals who need to sit for extended periods of time and are suffering from conditions like hemorrhoids, tailbone pain, coccyx pain, sciatica, or even surgeries and pre/post-natal pain. Icare Donut Cushions are designed to reduce pain and enhance your sitting comfort while at work or home. Ventilated Base FabricVant fabric is a three-dimensional polypropylene material that has high air permeability and is anti-bacterial. Using this in the base greatly increases air movement. Specifications Reduces pressure in the area of discomfort Centre hole diameter 11cm Specifically for coccyx and haemorrhoid pain Foam insert with washable cover... Read more