Sero Pressure Relief Cushions are manufactured by Putnams, leaders in back care with over 30 years of experience. These cushions offer superior comfort for chair sitting. Made from high-quality foam, they guarantee high performance and durability. The integral pockets allow for air circulation, helping to disperse heat, while the high-profile foam relieves numbness and pressure points. Covers are zipped, hand washable, and feature a carrying handle. Available cut outs include: a) Coccyx - relieves pressure at the base of the spine, b) Bonyparts - relieves pressure from the ischial tuberosities, c) Polo - relieves pressure to sensitive areas (removable cut out), and d) Dr Huff - used for postnatal pain relief while sitting.