Suede-like navy O-shaped cushion with a hole in the center. - Brand: world zakka - Color: Navy - Shape: O-shaped, donut, with a hole - Material: Suede-like - Features: Design with a hole in the center Thank you for viewing. I prepared this at home for childbirth, but I ended up not using it and have kept it stored at home. The following is the description from Rakuten: Washable cover for cleanliness! Resilient round cushion, donut-shaped cushion, beautiful posture, seat cushion, firm, floor, chair, office, sofa, car, driving, desk work, telework, low formaldehyde [Ranked 1st on Rakuten! Awarded 14 titles] Product Specifications Color: Navy Series Name: Round Cushion Brand Name: World Zakka Manufacturer Model Number: WZ-011na Brand Name (Kana): World Zakka Representative Color: Navy Material (Fabric/Yarn): High-resilience urethane Body Width: 39cm Body Length: 32cm [Uses] Hemorrhoids, piles, lower back pain relief, coccyx fracture, bedsores prevention, sciatica, pelvic correction, postpartum, episiotomy, post-surgery, floor chair, buttocks, coccyx, pelvis, standing, prostatitis, pain, kyphosis, posture correction, pressure distribution, office, desk work, telework, work from home, remote work, wheelchair, father, mother, Mother's Day gift, birthday present, childbirth祝い, postpartum cushion, maternity gift High-resilience cushion, hemorrhoid cushion, lower back pain cushion, sciatica cushion, posture correction cushion, chair cushion, office cushion, telework cushion, pregnancy cushion, maternity cushion, extra-thick cushion, pressure distribution cushion, gift cushion, present cushion, childbirth祝い cushion [Shape, Firmness, etc.] Donut-shaped, round, circular, ergonomic, thick, extra-thick, firm, hard, chewy, compact, for both chair and floor [Notes] - Due to the nature of the product material, if you are concerned about the initial smell, please air it out in a well-ventilated place before use. - Due to the manufacturing process (press processing) of the cushion's urethane, small air bubbles (holes) that cannot be avoided may be visible, but please note that there is no problem with the quality or usability.