Convert 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, these lids come in two sizes: standard and wide mouth. Turn old pasta jars, canning jars, etc. into to-go drinking cups or boba cups for a simple zero-waste swap! Great for kids too.
Standard Mouth Size: 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 bamboo straws and boba straws! (Standard-size lids fit Classico Spaghetti Sauce jars.)
Wide Mouth: 3 in (76 mm) inner and 3 3⁄8 in (86 mm) outer diameter. The straw hole is 0.56" and will fit our bamboo straws and boba straws!