Description: Size of Best Suitable Chair: Back Height: 14.1-19.7inch (36-50cm);Seat Length: 14.9-20.5inch (38-52cm);Seat Width: 14.9-20.5inch (38-52cm). Velvet fabric, soft and comfortable, protects your office/computer chair from unexpected stains. Design to match any interior. Fits most types of office chairs. Perfect choice for home study, office. Elastic band design offers perfect fit and non-slip grip. Easy to install. Machine washable. Don& 39;t use chlorine bleach, wash dark colors separately. Specification: Material: Polyester fiber 95% + spandex (stretch yarn) 5% Package Includes: 1 Piece Seat Cover or 1 Piece Chair Seat Cover 1 Piece Backrest Cover Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you 3. Wish you a wonderful on-line shopping