Yepp - GMG Mini Bicycle Child Seat The Yapp Mini is suitable for carrying children up to a maximum weight of 15 kg/33 lbs. Meets stringent European safety requirements and ASTM standards All Yapp child bicycle seats are made of flexible rubber foam which is very comfortable and shock absorbing Safe - Easy to Use - Comfort - Award Winning Design! Quick and simple to snap into place and detach, lightweight, anti-bacterial and easy to clean