Fits regular mouth mason jars. Mason jar not included. Durable, reusable & airtight mason jar lids! Organize & store with mason jars. Tough Tops can be used to meet virtually any Mason jar storage need. Each lid has a silicone gasket that provides a leak-proof seal and faceted sides for easy removal. They'll never rust or warp, offering years of use. Spiff up your pantry, cupboard. fridge or freezer with Tough Tops! Leak-proof, airtight & dishwasher safe. Store food, craft items, beauty supplies & more. Includes 4 silicone gaskets. Fits any regular mouth mason jar. Airtight and leak-proof. Easily twists on and off. Dishwasher safe & BPA free plastic. Store liquids, food, beauty supplies and more. Auto-fit gasket for a perfect seal. For regular mouth mason jars. masontops.com. Connect with us: (hashtag)masontops. Facebook. Instagram. YouTube. Made in China.