1. Value Pack: It provides 12 silicone food storage lids in 6 different sizes, namely 6.5 cm, 9.5 cm, 10.5 cm, 14.5 cm, 16.5 cm, and 20.5 cm. The sufficient quantity and diverse sizes can meet your daily food storage needs. 2. Cold and Heat Resistant: This food storage lid can be used in an environment ranging from -40°C to 230°C, suitable for refrigerators, microwaves, and dishwashers. The silicone material is easy to clean and can be used for the next round of food storage after drying. 3. Strong Compatibility: The food storage lid has excellent elasticity and stretchability, being compatible with various - shaped containers such as bowls, jars, and cans. It can also be used to keep fruits and vegetables fresh and delicious. 4. Excellent Air - tightness: The silicone food storage lid has excellent air - tightness and strong adsorption ability, ensuring that the food is in a sealed state, keeping it fresh, preventing leakage, and avoiding odor mixing, so that you can always enjoy fresh and delicious food. 5. Safe Material: Our food storage containers are made of food - grade, safe, and environmentally friendly silicone material. It has no special odor, is harmless to the human body, and is soft and durable.