Samyoung Bicycle Rear Back Seat Cushion Armrest Footrest Set, Wide Child Bike Seat Back Safety Armrest Handrail Feet Pedals, Kids Bike Seat Carrier (Black)Features:The seat and back cushion is comfortable and smooth to touch, good elasticity, wear-resistant to use. Equipped with a armrest to mount onto the seat tube within 35mm, it provides more sa..