The KEG Storage Vessels allows you to store all key emergency gear-like patches, an extra tube, a micro tool, and a CO2 cartridge-all in one rigid, durable container that easily fits into any bottle cage. 16oz container made from durable, BPA-free PETE Material. Wide 63mm opening makes it easy to place and retrieve items from inside KEG. Featuring a “stash cap” on the underside of KEG lid, providing an ideal place to store patch kits. 30% of the proceeds will be donated to Ukraine aid.