iLIDS Mason Jar Drink Lid, Wide Mouth, Red, 2-Pack The drink lid is a one-piece lid designed for use with or without a straw; for hot or cold liquids Fill up your mason jar at your favorite coffee shop and top it with an iLID; One less cup in the landfill and we all know it really does add up Drink on the go - with or without a straw; The drink lid accommodates small or large straws, but you do not have to use a straw Fits mason jars with 3 3/8 outer edge diameter Made in the USA from recyclable material (BPA and phthalate-free) and dishwasher safe The Drink Lids have a large drink opening as well as a flow hole so they are not spill/leak-proof. They are intended to reduce spills not eliminate them. The Storage Lids are leak proof when securely tightened.