Usage: 1.In the puncture location mark, after pull out nails. 2.With a pinhole in the 1st round specialized tools. 3.1/2 in the strip into the special tool pinhole. 4.Leave strip down hole direction into tire 1-2 mm, with the hand pressure pulls special tools. 5.Use scissors to cut the tread strip, can be used after filling. (note: you must determine the cold strip through the tires, after filling to avoid sliding out. 6.Fit for all style rubber tire. 7.Notice: you must determine the cold strip through the tires, after filling to avoid sliding out.Fit for all style rubber tire Specification: Material: Rubber Color: Black Dimension: 100mm x 6mm It Can Be Used for All Kinds of Tubeless Tires Fitments : Cars, Truck, vacuum tires, motorcycles, electricars, Motorcycle etc. Package Include: 30 Piece Tyre Repair String