Explanation of Quality - A set of high-quality seat cushions with orthopedic features, made of skin friendly and wear-resistant cotton blend fabric, comfortable to sit on and feels good. Comfortable, this high-quality seat cushion features a comfortable modern design, paired with pleasant fabrics to create a comfortable atmosphere and ensure ergonomic sitting posture -45cm circular seat cushion, quantity: 1pcs suitable for small bar chairs, garden chairs, benches, kitchen chairs, or indoor and outdoor use. The seat cushion can be cycled as needed - the seat cushion can be fixed or freely used for indoor/outdoor/weatherproof - the seat cushion is universal and can be used indoors and outdoors due to its design and high quality. Easy to care for/maintain hygiene - even if there are serious stains after washing, it still needs to be machine washed as a whole. Durable - Thanks to the special post molding filling of this high-quality seat cushion, it can maintain excellent seat comfort even after every cleaning and many years. When measuring manually, please consider an error of 1-3cm