Small volume, lightweight and ultra thin, easy to carry and prepare for emergency need while riding. Made of rubber, lightweight and ultra thin, easy to carry and prepare for emergency need while riding. Self adhesive patches, can stick on the tire tube without any glue, much easier and quicker to repair. Great tool for repairing tire, inner tube, air bed, dinghy, air matt, paddling pool, etc. Suitable for various types of bike such as road bike, mountain bike, fixed gear bike, etc.