Diameter: 0 in This practical backrest for sledge ensures safety and support while you are sitting on the sleigh for a winter adventure. Sturdy plywood: Plywood is a stable and impact-resistant material. It has an even texture without fibers showing and is resistant to warping and splitting. Double slatted design: The sledge backrest with 2 protective bars is great for kids who need extra support sitting. Eye-catching color: The bright color makes your sleigh eye-catching in the snow. Note: The delivery includes a backrest only. The sledge is not included. You can search our shop for the matching sledge.