Convert standard and wide mouth 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, sustainable zero-waste swap! Great for kids too!

Size: Regular/Small Mouth, 2 3⁄4 in (70 mm) outer diameter.
Wide Mouth, 3 3⁄8 in (86mm) outer diameter.

Straw hole is 0.56" and will fit collapsible straws and even boba straws!