Instruction for Cold patch: 1. Scuff the surface around the puncture with sand paper. 2. Remove dust, dry and apply fluid. Spread on glue, let dry until no longer tacky (back of finger test). 3. Pull off metal foil-center patch and press patch firmly. 4. Pull off cover, foil vulcanizes without eat. Instruction for Glue-less patch: 1. Roughen the surface around the puncture with sand paper. 2. Peel back off patch and apply to puncture. 3. Press patch firmly onto tube. Install tube, and tire on rim.
