Rubber strip and cut sponge rubber strips in a wide choice of sizes
White Silicone Rubber Seal strip U-shape Soft Sealing Slot 1mm-15mm Wraparound | eBay
Long Length Strips | Neoprene Rubber Strips | 60A Medium Hardness — Rubber Sheet Warehouse®
Amazon.com: Neoprene Rubber Sheet - 1/8 Inch Thick x 4 Inch Wide x 10 Feet Long Neoprene Rubber Strips Rolls for DIY Gaskets, Pads, Seals, Crafts, Flooring, Cushioning of Anti-Vibration, Anti-Slip :
Amazon.com: Sponge Neoprene Foam Rubber Sheets and Strips Soft/Medium Hardness- Cut to Multiple Dimensions and Lengths - DIY, Gaskets, Cosplay, Costume, Crafts : Arts, Crafts & Sewing
Strong Flexible Rubber Coated Magnet Soft Magnetic Strip - China Rubber Magnet, Magnetic Strip | Made-in-China.com