Specification: Product Name:Bicycle Rack Bag;  Material:EVA;  Size:About 28.5 x 19 x 18.5 cm;  Weight:About 345g;  Color:Black blue / black green / black red / black orange;    Features: Built-in mesh pockets to classify small items, increased capacity design, internal space to match freely.    Multiple protection for greater peace of mind, the bag comes with a reflective strip, external taillight system, safety we do everything. (This product does not include taillights.).    EVA hard shell process, EVA material, anti-crush and anti-drop strong shell, more suitable for outdoor sports.    Large capacity storage, to meet your needs, loading with the car repair tools, daily items, etc. can be easily packed.    Convenient aluminum alloy disassembly rack, simple and easy to load and unload the shelf.    The tail can also be hung security taillight, night riding safety and personality.    Small design is convenient, the tail bag internal anti-fall lining design, even if the zipper is fully open, do not worry about falling items.    Self-reflective strip, quick-release rack, thoughtful with the aluminum quick-release rack, one-touch installation, no tools.    Complimentary waterproof cover, no fear of wind and rain.    Subtleties, more thoughtful, details can reflect a good bag, every little thing can reflect our intentions.     Package included: 1 x Drop-proof thickened hard shell bag.  1 x Quick release lever.  1 x Waterproof cover.    Note: - Please allow 1-2cm differences due to manual measurement.  - Due to the different display and different light, the picture may not reflect the actual color of the item.  Thank you for your understanding.