Conveniently attach a set of wide-mouth mason jar lids with built-in straws for leak-proof, spill-free drinks on the go. The nano-slip silicone lid securely holds your drink without added effort, while the BPA-free design ensures eco-friendliness and convenience.
  Perfect for holding milkshakes, smoothies, or bubble tea, these lids are ideal for any kitchen. Their wide mouths fit mason jars of 87mm caliber, and the silicone gasket seals drinks perfectly.