Blackburn Grid Seat Bag - A Compact Solution for Roadside Emergencies Engineered with durability and convenience in mind, the Blackburn Grid Seat Bag is a must-have for cyclists. Crafted from water-resistant materials, it ensures your essentials stay protected and dry. Its compact size, yet roomy interior, can comfortably accommodate a road tube, a multi-tool, 2 tire levers, a CO2 inflator, and a CO2 cartridge. Ideal for those unexpected roadside emergencies. For those cycling after dark, this bike seat bag enhances safety with its retroreflective side panels. When illuminated by a car's headlights, the panels significantly increase visibility, making you more conspicuous on the road. Plus, the bag's water-resistant zipper with ergonomic pulls ensures easy access even in challenging weather conditions. Constructed from water-repellent and abrasion-resistant materials Adjustable mounting system for easy installation Hook-and-loop attachment for added security Retroreflective side panels for enhanced night-time visibility Tail light loop for additional illumination Capacity: 0.45 L, 0.80 L, 1.4 L Weight: 55g (small), 70g (medium), 130g (large)