MultifunctionalThis popular silicone lid set comes in 5 convenient sizes: XS 10cm, S 15cm, M 20cm, L 25cm and XL 30cm. The lids fit a range of pots, bowls, pans, mugs, containers etc. Adjusts to fit almost any type of cookware, oven, microwave, freezer and dishwasher. They are washable, reusable, flexible, non-stick and durable. Note: Our colors for each size are random. How It WorksThe way vacuum lids work is you gently press the center and the lid creates an airtight, watertight and leakproof seal. You can then use them to store leftovers, groceries, salads, vegetables, pasta, soup, condiments, etc. They are also ideal for cooking, steaming, stewing, reheating, keeping meals warm longer, food in the fridge or freezer etc. To remove the lid, simply use the small snip. Technology and InnovationThe lids are made of high-quality food-grade silicone . Silicone is made up of polymers of silicone, carbon, hydrogen and oxygen, all of which are natural compounds. The lids are BPA-free and environmentally friendly, have low chemical reactivity, repel water and microbiological growth, and are resistant to oxygen and UV light. They are heat and freeze resistant from 240 to -40. Reusable and EconomicalEnvironmental protection, don't need disposable plastic food wrap and aluminum. Easy to clean, no worries about rust and stubborn food and drink stains, can be placed dishwasher cleaning. Easy-grip locking lids save space and reduce clutter. The lids take up little space in the cabinet or drawer, and you can also hang them on a hook. Wide range of applicationsAttracts the design surface and easily fits and seals on glossy round containers or glass tableware , ceramic or porcelain. The lid can be used on many containers such as bowls, mugs, jars, heat-resistant glass, linked food, food cans, cans at once. They are also suitable for Mason jars, mixing bowls. Material: Plastic, Metal Closure Type: Lid,Silicone Lid