FOOD GRADE MATERIALS: We always focus on health issues caused by cookware materials, and guarantee that all the silicone lids are made of non-toxic, safe food-grade materials, which are free of BPA.

SUITABLE TEMPERATURE: The silicone lids are suitable for a temperature range from -40°F to 446°F.You can use them for refrigeration and preservation. They are safely used in microwaves, dishwashers.

PLASTIC REPLACEMENT: As it's safe, sanitary, sustainable, and reusable, the silicone lid set is a more eco-friendly and economical alternative to plastic preservation bags.

6 PCS,6 SIZES: They have strong flexibility,good elasticity and air-proofing.12 clear silicone covers come with 6 sizes (7cm, 10cm, 12cm, 15cm, 17cm, and 20cm), and can be widely used in various sizes, round or rectangular cups,bowls,fruits,vegetables,etc.