- The Muc-Off Tubeless Rim tape is made from their own proprietary performance material with a pressure-sensitive adhesive to provide just the right amount stretch whilst maintaining durability and strength needed to create a lasting airtight seal. Semi-transparent material makes locating the valve hole easy. Supplied with 4x Seal Patches. Available in a 10m and 50m workshop roll in 6 widths to suit most Road, CX, Gravel, MTB and Plus-sized rims.