- Large Capacity (12-24L) : The bike trunk bag offers a generous storage capacity of up to 24 liters, complemented by two outer pannier bags. This ample space allows you to carry all your cycling essentials with ease. An elastic drawstring secures additional items, ensuring nothing is left behind. - Waterproof Rain Covers : Stay dry in wet conditions with the included waterproof rain covers. The black cover is conveniently located at the bottom of the bag, while the green cover is stored within the trunk bag. Constructed from reinforced polyester, this bag is built to withstand the elements. - Easy Installation : Designed for convenience, the bike rear rack bag features multiple adjustable straps for quick attachment to most bike racks, including mountain bikes, road bikes, and e-bikes. No tools are required, allowing for a hassle-free setup in seconds. - Enhanced Safety Features : The bike trunk bag is equipped with reflective strips for improved visibility during low-light conditions, ensuring you are seen while cycling. Additionally, a dedicated hook on the back is designed to hold a taillight, further enhancing your safety on the road. Use Scenarios : 1. Daily Commuting : Perfect for carrying your work essentials, groceries, or a change of clothes while commuting by bike. 2. Weekend Adventures : Ideal for storing snacks, tools, and extra layers for a day out on the trails or a long ride with friends. 3. Shopping Trips : Easily transport your purchases home from the store without the need for a bulky backpack. With its combination of functionality, durability, and thoughtful features, this bike trunk bag is an essential addition to any cyclist's gear.