Feature: 100% brand new and high quality Protective cover function introduction: 1. Effectively prevent the child's fingers from being caught; 2. It can prevent dust from entering, reduce wear, and effectively extend the service life of the seat tube! 3. Increase mystery. Advocate low-carbon life, environmental protection travel. Specification: Size:11.5cm*10.5cm Color:black Material: nylon Type: seatpost cover Package include : 1 pcs seatpost cover