Health and Safety: Silicone lids food covers are non-toxic and made of food-grade silicone, 100% high-quality silicone. Compared to plastic cling film and cling lids, silicone stretch lids are reusable and feature a soft, flexible texture, making them a practical choice. Package Size: You will receive 4 different sizes of food covers: 13.5 x 10.5 cm, 11.5 x 8.5 cm, 9 x 6 cm, and 6.5 x 4 cm. Each size can be stretched flexibly with an elasticity of approximately 1–2 cm. Colors may vary. The lids feature a fun vegetable design that helps easily identify stored ingredients. These silicone food covers offer excellent sealing and elasticity, helping keep food fresh during freezer storage. Good Sealing: Reusable silicone stretch lids are designed with grooves around the edges to enhance sealing performance. This helps prevent air exposure and food spoilage, providing a secure fit on containers and reducing the risk of spills. High Temperature Resistant & Easy to Clean: Suitable for use in the fridge, microwave, and dishwasher, these silicone stretch lids are convenient and portable. They are easy to clean—simply rinse with warm soapy water or place in the dishwasher, then wipe dry for long-term use. Note: Do not fully seal containers when heating in the microwave. Wide Application: Each size of silicone lid is compatible with various container sizes and shapes. Stretchable design fits cups, bottles, pots, jars, Pyrex, cans, Instant Pots, and slow cookers. Ideal for storing leftovers, beverages, fruits, and vegetables.