This seat cushion is 12in/31cm in diameter for kids, small round dimples on one side for active sitting and even surface on the reverse side for increased comfort. Suitable for children to use in kindergartens and elementary schools. Recommended for ages 3 to 13.
One free 8-inch hand pump is included for easy adjustment of cushion firmness. Good for active sitting, helps promote better posture, improve balance & coordination.
Durable & Safe: Contains no US banned phthalates and heavy metal elements. Conforms to the safety requirements of EU EN71, US CPSIA & ASTM F963.
How to adjust air pressure: Remove the inserted white plug (air stopper) from the seat edge first, insert the tip of the pump into the mouth to inflate, replace the plug back quickly when seat reaches desired firmness level.
Seller Warranty: Should pump be faulty or cushion defective, please 'Contact Seller' directly (other than Amazon Customer Service) from Amazon Buyer Central against your order for a replacement or refund. Seller aims to provide hassle-free after-sales service and usually replies most emails in 12 hours.