Made of quality stainless steel and silicone, rust proof, durable and long-lasting. perfect fits for all types of regular mouth mason jars.You can enjoy drinking with our lids with straws hole, ensuring you better mood. Also you can use the lids for food storage with silicone stoppers covered.The Mason jar lids edges design with ribbing for anti slip. easy open and tighten the jar topsthe mason jar lids come with silicone sealing gaskets ensure the leakproof of mason jar lids, perfect for food storageEasy to clean use by cleaning brush. dishwasher safeSpecificationMaterial: Stainless SteelTotal Size:73 x 15mm/2.9" x 0.6"(D*H)Fit For: 70mm/ 2.76"(Wide Mouth)Straw Hole: 8mm/0.3"Note:1. Due to the shooting and screen setting difference, the color of the item may be slightly different from the pictures.2. Variability of 3-5 mm is possible due to measurement process.3. Only lids, the jar not include.