The Sidekick features an innovative side zip opening for easy access to your stuff while you are riding. It also features plenty of space for your important items and semi-rigid construction to keep it all safe. 600 Denier fabric Weather resistant Mesh pockets keep keys and small tools in place while riding Quick Click TM compatible for fast, easy transfer between bikes 3M Reflective Strip Red Lite Clip | Topeak | Sidekick Wedge Seat Bag | Black | Small