BARBOUR Picnic Rug. Double sided water resistant rug. Classic Tartan, one size quilted and one wadded polyamide. This essential piece packs away with fastening straps so it's easy to carry anywhere. Wadding : 100% Polyester. Outer : 100% Cotton (tartan). Sizing : 140 x 140cm. Size : One Size. Inner : 100% Nylon (Matt finish).