[SIZE DESCRIPTION]100 Pcs reusable leak-proof storage solid caps have a diameter of about 2.7 inches / 7 cm, which can be compatible with most ordinary mouth-shaped glass bottles.[HIGH-QUALITY MATERIAL]Canning Lids is made of tinplate, with excellent sealing and corrosion resistance, and the smooth surface is not easy to crack, peel or corrode. In addition, it can be used in refrigerators, dishwashers and microwave ovens due to its high temperature and low temperature resistance.[HIGH-QUALITY MATERIAL]The sealing ring made of environmentally friendly silica gel is used inside the can lid, so that the Mason can lid has good sealing performance, air tightness and non-leakage. The sealing ring of each can adopts a small groove Designed to be tightly sealed.[WIDE APPLICATION]Our Canning Lids are compatible with most mason jars to store spices, jams, soda, fruits, biscuits, candies, salads, milk, smoothies, tea, coffee, cereals, seasonings, beverages, screws or Keep other small objects fresh.[HEALTH AND ENVIRONMENTAL PROTECTION]Canning Lids can be used multiple times. After use, please boil it with hot water for cleaning to better protect the health of you and your family. The quantity of 100 pieces is enough to make a lot of salads in one week, so that you can easily carry it with you when you go to work or school.The color of the silicone seal is random, don't accept the specified color.Colour: goldenMaterial: ironPackage Contents:100 * Sealing capOnly 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.