1. Large capacity: The capacity of this bicycle handlebar bag is approximately 2.4L. The horizontal zipper design ensures easy access for storing and retrieving items. The outer elastic cord provides additional space for wet raincoats, ropes, cards, or oversized tools, with adjustable length to suit your needs. 2. Multipurpose bicycle handlebar bag: The bag features a stable and coordinated overall design. With a detachable shoulder strap, it can be effortlessly converted into a crossbody bag, shoulder bag, or chest pocket, offering a simple and stylish solution for various needs. Ideal not only for cycling but also for shopping, camping, picnics, travel, and more. 3. Waterproof handlebar bag: Made from quality, strength polyester fabric, this shoulder strapequipped bicycle handlebar bag is waterproof, durable, and easy to clean. It safeguards your valuables from moisture and dirt during rainy conditions. (While it offers reliable waterproofing for daily use, excessive rainwater may slightly compromise its waterproof performance.) 4. Easy to install: The waterproof bicycle handlebar bag comes with two removable fastening straps, allowing quick attachment to handlebars, tubes, under the frame, or under the seat. Its compact design fits most bicycles without obstructing lights or other accessories. Even on rough terrain, the front handlebar bag remains securely in place.