Safe and: These lids feature an ergonomically designed, thick handle that's made of quality, food-grade, BPA-free plastic material. It can support the weight of a full jar without bending and is easy to hold and use. Easy Pouring: The Mason Jar Flip Cap Lid features a flip cap that stays open and out of the way while pouring or drinking. It won't flop back down and get in the way of the stream. The cap is securely attached and won't flip back down without force, making it easy to use. What's Included: You'll receive 4 regular mouth mason jar flip cap lids in black and grey (jars not included). The lids are compatible with Regular Mouth (70mm in diameter) mason jars. This lid makes it easy to turn your mason jar into a jug for storing and pouring cold brewed coffee, milk, iced tea, syrup, and other beverages without any spills or mess. Leak-Proof: These Regular Mouth Mason Jar Lids comes with a silicone gasket that creates a secure seal to prevent leaks. Just screw the lid onto the jar and press the flip cap down to ensure a leak-proof seal. The airtight seal will keep your food fresh for longer. Reusable Jar Lid Set: These reusable Mason Jar Pour Spout Lids are perfect for regular mouth Ball mason jars, replacing disposable to-go containers and plastic water bottles. You also can use them to take your favorite foods on the go or store dry goods in your pantry. The flip cap design makes it easy to pour liquids like lemonade without any spills.