My child used this for several years in upper elementary school. It shows signs of use, but I think it can still be used. Thank you for your understanding and consideration. Thank you. 【Size】L size Width 36 x 32 x Height 28 cm Blue cushion that supports the pelvis and posture, with air vents for comfortable use. - Brand: Style Kids - Color: Blue - Design: Pelvic and posture correction cushion - Material: Plastic - Features: With air vents Thank you for looking.