Hard Shell Bicycle Saddle Bag with Taillight & Rain Cover Waterproof Bicycle Storage Bag Cycling Rear Seat Post Bag Solid Tail Rear Bag MTB Road Bike Bag

Features:
Come with USB rechargeable LED taillight, provides you with great visibility and safety at night.
Can also be charged by your power bank.
Hard shell, highly efficient shock absorption, protect items from pinch.
High-quality waterproof material with compact zipper, keep your valuables dry and easy to scrub.
Rain cover is great water resistance, ultralight, soft, and wear resistant.
Easy to install and quick to remove with the help of strong adhesive fastener tape and mount.
Wide Application: can be installed on mountain bikes, folding bikes, road bike.