Rhinowalk RK70 For Brompton 14-inch Folding Bicycle Storage Box Car Trunk Bag(Black)1. Waterproof design: Made of cationic polyester, the surface has a water repellent function; 2. Dust proof design: There is a rain and dust cover on the back to prevent rain and dust from entering: 3. Convenient storage: It can be folded and stored, and can be quickly unfolded for use, which is convenient for storage and transportation; 4. Strengthened zipper: Use a No. 10 enlarged zipper with an inward retracting process to prevent the zipper from