Wide Mouth and Round Handle: These mason jar lids are precisely molded to perfectly match with the wide mouth mason jars. Turn the original mason jars into drinking bottles, salad dressing bottles, or storage containers. Round Handle allows for convenient carrying and easy pouring.Leak-proof and Airtight Seal: These mason jar lids are tightly sealed with leak-proof airtight seal. Silicon ring provides additional seal and leak-proof.Flip Cap:These mason jar lids have perfect size caps which match your mouth and can let you drink easily without spilling and also easy to pour. Good tightness and easy to flip.Easy to clean,Reusable and Storable: These mason jar lids are dishwasher safe, also can be rinsed in hot or cold water. Also,can help to store opened milk and half-half, cold brew coffee, salad dressing, smoothies, juices, overnight oats, beans, rice ,sugar, salt and so on.It can help you store your opened liquid properly and extend it's life.Safe Material: BPA free, PVC free. Made of Polypropylene (PP) Plastic and Silicon.Colour: black + blueMaterial: plasticSize: 86mm diameterPackage Contents:2 x Mason Jar LidsOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.