Item: Tubeless Bicycle Wheel Rim Tape. Length: Approx. 9.14meters. Thickness: Approx. 0.12mm. Type: Pressure Sensitive. Backing film: Polyester; Tensilized strapping. Adhesive: Single sided; synthetic rubber adhesive. Package include:1pc Roll of tape. Application: Clean rim bed with alcohol, tightly wrap rim bed 2×overlap at valve stem, and puncture hole for valve stem. Tape Length on Rim for reference: 1. 26 inch rim, D0.559m*3.14=1.76m (Circumference), around 2 meters needed for 1 rim including the overlap at valve stem. 2. 27.5 inch rim, D0.584m*3.14=1.83m (Circumference), around 2.1 meters needed for 1 rim including the overlap at valve stem. 3. 29 inch & 700C, D0.622*3.14=1.95m (Circumference), around 2.3 meters for 1 rim including the overlap at valve stem. Features: Designed to conform to the center channel and bead locking rim bed; Creates an air-tight seal between the tire and rim bed; Good stretch and seal, non-porous, will not affect tire fit; Made of compound material, not as stiff as Nylon or Acrylic options; Adhesive specifically formulated to adhere evenly for long lasting hold; Does not leave a messy residue when it needs to be replaced; Ultra light in weight, barely increase weight load for light biking; Comes in length of around 9.14 meters, enough for two wraps at a set of wheels.