Cuppow's Canning Jar Lids

Because drinking out of aluminum water bottles is for clumsy yuppies, upgrade your hipster cred and be the darling of any fixie meet-up by converting an average Mason jar (yawn) into a dishwasher-safe travel mug (sha-zam!) with the help of this easy-to-attach plastic drinking lid cleverly devised by two dudes in Somerville.