Convert standard Mason jars into drinking cups easily with these sustainable bamboo mason jar lids with straw holes. Made with sustainable bamboo with a removable silicone seal. Great for kids too! Size: Fits standard-size Mason jars, regular mouth, 2 3⁄8 in (60 mm) inner and 2 3⁄4 in (70 mm) outer diameter. Straw hole is 0.56" and will fit our collapsible straws and even boba straws!
