25mm(W) x1.5mm(T) x3m(L). 50mm(W) x2mm(T) x2.5m(L). Rubber Strip Self Adhesive Neoprene Rubber Sheet Solid Neoprene Sealing Roll for DIY, Washers, Crafts, Pads, Flooring Protection, Supports, Leveling, Weather Seal.
eBay