The Scruffs Expedition Box Beds are producedusing a heavy-duty, 600-denier fabric, providing a robust, durable outer cover. The reverse side of the fabric is coated with a 100% water resistant backing to prevent the ingress of water. The smake backing is applied to the beds non slip base. For improved support the box beds are constructed using a one-piece design. The centre cushion of the bed forms an integral section, maximising the beds strength and durability. The beds are filled with a 100% re-cycled green-fibre fill with unmatched cushioning, resilience and insulation characteristics.