Brand: ROCKBROS Product name: Rubber-free tyre patch Material: Soft rubber Weight: 6g Features: Strong adhesion, direct sticking after sanding, no glue required The package includes: Six pieces of strong adhesive-free tyre patches (single piece 26*26mm) One instruction sheet One piece of sandpaper One box ROCKBROS bicycle tyre patches, compact and lightweight, practical, easy to carry, no burden, is your best partner on the road. High-performance no-glue patch, sanded and directly attached, no glue, repair process is simple and convenient, after repairing the tyre to obtain a strong adhesive, high reliability. Equipped with a professional dustproof storage box, the opening and closing design makes it more convenient to take the tools, including all the necessary tools for repairing tyres in a box, convenient and tidy. The operation is simple and clear, no need for professional knowledge, only according to the enclosed instructions for operation, easy to achieve tyre repair, to protect your driving safety. Instructions for use: Pry up the outer tyre with the pry bar and take out the inner tyre. Inflate the tyre accordingly and find the leak. Sharpen the leaking area with a file. Remove the rubber-free patch. Tear off the patch and stick it to the leak. Press on the patch and leave it in place for about a minute. Simply repair the tyre Inflation test OK