Silicone lids are stretchy enough for over 3-10 inch containers of different shapes such as odd-shaped mugs, pots, cups, bowls, glasses, jar, food can, watermelon, vegetables, etc. 2.6"(will stretch to 3.3"), 3.7"(will stretch to 4.8"),4.5"(will stretch to 6"), 5.7"(will stretch to 8"), 6.5"(will stretch to 9"),8.3"(will stretch to 10") Reusable and Easy to Clean: silicone stretch lids are made of silicone, clean up easily, just place them in the dishwasher or hand wash with soap in warm water after each use. Hangable Design: Each silicone food cover has a hanging hole for easy storage,These lids make it so easy to store and put away food without needing to take out and transfer and dirty up more containers. lightweight, durable Safety and Seal: Airtight stretch lids is Dishwasher safe, freezer safe, heat-resistant, Non-slip ring ensures air-tightness and does not leak out Package included: 6 Pcs Blue Silicone lids