Enviro Glass Straw Lid 9.5MM Enviro Lids are a one piece stainless steel lid that turns your regular size mason jars into a travel mug with a glass straw. This is a great way to enjoy a smoothie on the run or to use as a Sippy cup. So many options, one Enviro Lid.
Enviro Glass Smoothie Straw (width 12mm), 8", Bent Combo All of the straws are made from borosilicate glass, which is the strongest commercially available (cooking grade).
