Burley Baby Seat InsertDescription The Burley Baby Seat Insert is designed to provide added support and comfort for younger passengers riding in compatible Burley child trailers. With padded side supports and a contoured headrest area, the insert helps stabilize babies who are sitting upright and wearing a helmet. It creates a snug, secure fit inside the trailer seat, reducing side to side movement on bumpy paths and longer rides. This insert is made to integrate seamlessly