1. Product weight: 95g 2. Product size: length 115mm, pipe diameter 26mm (plastic cardboard packaging 140mmx140mm) 3. Material: plexiglass + aluminum alloy. 4. Product accessories: motorcycle pipe tax valve retainer, screwdriver. 5. Installation method: directly fix it with screws. 6. Features: Waterproof, safe, easy to disassemble. 7. Product use: It is mainly used to place paper quality as license plate or place some tax bills.