Retain your hydration levels in custom style with this "not so boring" tumbler. This 20oz water tumbler is made with robust stainless steel so it can go with you on any adventure. With a clear plastic push-on lid, a ringneck design, and a narrow mouth opening for easy sipping, it's the ideal companion for all your daily excursions. *Durable premium stainless steel material. *Easy sipping. *Clear push-on plastic lid. *Narrow mouth opening.