Ergonomic Surgery Pain Alleviate High Resilience Gluteal Foam Seat Cushion (Gray) Aerated PU foam cushion responds to pressure to mold to your shape by creating the perfect support for your spine alignment, lumbar and sacral Physiotherapy tool ergonomic design helps you alleviate the postoperative pain of hemorrhoids, prostate and post-partumand etc High resilience PU foma can suffur up to 100 kg,zero pressure An outer layer of gel infused memory foam offers a cooling effect and consistent feel while the foam filling offers fluffability and increased breath-ability Hypoallergenic, allergy free meterial. Super soft removable cover with zipper