Safe and Reliable: these mason jar lids are made of wood material, smooth and reliable, leak-proof and sturdy, smooth surface without burrs, not easy to break, no smell, please note that since the lid has a sealing silicone ring, it is recommended that you do not put mason jars too full, so as not to cause a tight seal due to insufficient air in the bottle Included: they feature an airtight sealing design, nice and considerate, simple style and sufficient quantity to meet your daily needs and replacements, you can also share them with others Easy and Practical: our reusable canning lids are designed with a secure silicone sealing design, which can keep food away from dust, air and so on, to create an perfect seal and avoid leaks, clean and stylish, making your food and fruits fresh and tidy Wide Usage: with a simple appearance and convenient design, you can use our decorative jar lids to store various items, such as leftovers, nails, fresh sauces, juices, screws, spices and so on, to give you a cozy and relaxing lifestyle size: about 90 x 90 x 20mm Material: Wood colour: Wood color Package Contents: 12 x Mason Jar Lids Only the above package content, other products are not included. Note: Light reflection 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.