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 16oz container that easily fits into any Specialized 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. Printed with non-solvent based inks (UV Cured) CPSC-approved ink.