100% healthy and eco-friendly100% food grade soft silicone, safe, BPA free, odorless and non-toxic. They are heat and freeze resistant from 230C to -30 C Does not lose its shape Can be adjusted to almost anytypes of cookware, oven, microwave, freezer and dishwasher. Pack of 5 LidsExtra Large 30cm, Large 30cm, Medium 8cm, Small 6 inch and Extra Small 4 inch. The lid can be used immediately on many containers such as bowls, cups, glasses, heat-resistant glass,tied food, food boxes, cans. They are also suitable for Mason glasses, mixing bowls. Keep Food FreshSilicone lid is a durable way to store and preserve food fresh and keep food fresh longer and prevent leaks. The lid and rim of the jar should be dry onlybefore installation. Easy to Use and StoreJust place it on a smooth surface and press down for a perfect seal. Easy-lock lid to save space and reduce clutter. Lids take up little spacein the wardrobe or drawer, and you can also hang them on a hook. Reusable and EconomicalWith these eco-friendly silicone lids, it is easy to clean and therefore reusable, stretch silicone lid replaces cling film and aluminum foil, more environmentally friendly.More economical and more comfortable. Silicone lid, 5 fresh lids in different sizes, silicone lid - BPA free and reusable, storage lid for bowls, cups, cans, fruit and microwave (round). Features: 1. Made of quality silicone material, soft texture, tear resistance, with excellent wear resistance. Operating temperature range: -30~+230. 2. Just place it on a smooth surface and press down for a perfect seal. 4. They are perfect for cooking, steaming, braising, reheating and keeping meals warm longer, food in the fridge or freezer, etc. Features: Material: food grade silicone. Color: yellow, orange, green, red, blue. Size (large to small): 12" / 10" / 8" / 6" / 4" Suitable temperature range: -30~230. Quantity: 5 pieces. Easy to store: stackable / rollable / hanging. Content: 5 silicone lids. Tips: 2. Before placing the lid, make sure the edges of the container are dry. 3. When stretching, please put your hands on the edge of the plastic wrap, not in the middle of the rope to avoid tearing. 4. It is best not to completely vacuum the container when using it in the microwave or oven. because the heat and pressure of the tank can cause damage or injury. 5. Do not place the cover directly on the fire to avoid product deformation, even if it is used directly on the gas or electricity to heat.