Features: Using quality polyester fiber, seat cushion is soft and breathable, effectively reducing the feeling of stuffiness and heat when the baby sit for a long time. It can be quickly installed and disassembled without any tools, making it convenient for parents to switching between different carts. Polyester fiber is not only wear-resistant, but also has good anti fouling performances, making it easy to clean and maintain. The ergonomic design provides good back support for babies, helps maintain correct sitting, and reduces fatigue caused by prolonged sitting. Widely compatible design, suitable for most baby strollers, without worrying about size mismatch issues. Specifications: Fabric: Polyester fiber Size: Approx. 22x25cm/8.66x9.84inch, 35cm/13.78inch Attribute: refer pictures to selection please Practicality: Provides comfortable seat cushion support, which increases the comfort of babies while riding, and effectively alleviates fatigue caused by long-term ride. Package Includes: 1Pc Pocket Cart Hollow Board Seat Cushion note: Other accessories demoed in the pictures is not included. Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.