[Product Parameter] - The jar lid is for regular mason jar: Diameter 70 mm/ 2.7 inch; 4 colors to choose, say goodbye to the single color, changing lids to different colors helps sort your jars! This set of mason lids comes in a set of 8 pieces to meet the daily needs and use.[Material] - The mason jar lid with tinplate materials, can be used repeatedly, not easy to deform and long-lasting durability; The material is not worried about oil and is easy to clean, and this lid can be used in microwave, refrigerator and dishwasher.[Anti-slip Design] - The can lid uses a widened vertical ribbed design, compared with the smooth surface treatment, it is less to slip when opening the lid and is more labor-saving; The raised details on the surface can insulate and prevent too hot when holding hot drinks.[Leak Proof Design] - There is a silicone ring on the inside of the Mason jar lid, which can improve the sealing of the lid and ensure that there will be no dripping when using the straw.[Widely Applications] - Mason jar lids with straw hole, multiple ways of use, can be used with a straw or as a sealing cap, for regular mouth mason jars for juice, canning food, cookies, fruits, etc.Specifications:Material: TinplateColor: RedInner Diameter: 68mm/2.68-inchOuter Diameter: 70mm/2.76-inchStraw Hole Diameter: 8mm/0.31-inchLid Height: 15mm/0.59-inch Package Contents:8 pcs x Mason Jar Lids with Straw Hole