BM WORKS Tool Capsule Mini Cycling Tool Bottle Zip Bag for Water Bottle Cage Black : A zipper type capsule is convenient and can be easily set up on the water tank cage. Available to contain extra tube and punk patch Practical and Effective Storage - Tool capsule has totally different storage from other normal bike tool case Left section - Store tire levers, extra tubes, puncture patchs Right section - Store mini tools, 18650 battery cell, CO2 pump and CO2 cartridge. SEMI AUTO SLIDE ZIPPER - It doesnt make annoying sound when you ride a bike INFOGRAPHIC LABEL - Prepare all you need before ride