[Health and environmental protection] 1 food grade soft silicone, safe, odorless and non-toxic.They are heat and frost resistant in the temperature range of 240°C to -40°C. Don't get lost.It can be adjusted to almost any type of cookware, oven, microwave, freezer and dishwasher. [5 sets of lids] The lid can be used for many containers, e.g.B. Bowls, cups, glasses, heat-resistant glasses, food, cans, cans can be used immediately and is also suitable for preserving jars and mixing bowls. [Keep Food Fresh] Silicone lids are a sustainable way to keep food fresh and stored.The airtight seal can keep food fresher for longer and prevent food leakage.The lid and the edge of the container should only dry before connecting. [Easy to use and store] Simply place it on a smooth surface and press down to achieve a perfect sealing effect.The easy-grip locking cover saves space and reduces clutter.The lid takes up little space in the cupboard or drawer and can also be hung on a hook. [Reusable and Economical] This eco-friendly silicone case can be easily cleaned, so the reusable stretchy silicone case replaces plastic film and aluminum foil, making it more environmentally friendly.More economical and convenient.