Color:13 Pcs 2 bonus, 1pcs oil funnel AND 1 garlic peeler Features: ✦1. These handy covers are made from super-stretchy silicone. ✦2. They are circular in shape but pliable enough to seal even odd-shaped containers. ✦3. The tops are made from bpa-free, food-grade plastic. ✦4. They are microwave and dishwasher-safe. ✦5. They are also heat-resistant to 450 f, so reheating foods is never a problem. ✦6. Save on expensive, disposable plastic wrap, and save money on food bills by storing scrumptious leftovers for another meal. Flexible Size: ❤2.8"(will stretch to 3.5") ❤3.7"(will stretch to 5") ❤4.5"(will stretch to 6") ❤5.7"(will stretch to 8") ❤6.5"(will stretch to 9") ❤8.3"(will stretch to 11") How to use it? ❤1.Place half of the lids over one edge of the container.Start on the side closet to your body. ❤2.Stretch the other half of the lid away from you,inching your way around the bowl. ❤3.Stretch,then press the top of the lid while pulling the tabs to create a vacuum seal. ❤4.Pull the sides to ensure a perfect fit. Notice: ❤Sturdy stretch lids is made of high quality silicone, can be used for a long time. Heat resistance from 40 ℉（freezing) up to 400 ℉. Safe for Oven or Fridge. Warming tips: ❤1.Lids are completely dry or they will not stay in place. ❤2.When you are using it in Microwave or Oven,do not completely seal container would be better. Because the expanding heat and pressure from container, may result in damage or injury.