6 PCS Silicone Kitchen Storage Container Lid Multi Function Stretchable Food Keeping Case Cover. Features: - These handy covers are made from super-stretchy silicone. - They are circular in shape but pliable enough to seal even odd-shaped containers. - The tops are made from bpa-free, food-grade plastic. - They are microwave and dishwasher-safe. - They are also heat-resistant to 450 f, so reheating foods is never a problem. - Save on expensive, disposable plastic wrap, and save money on food bills by storing scrumptious leftovers for another meal. - Multi-purpose: 2 color and 6 Size, can be used for any size of container,bowl and cup,ideal for storing leftovers, taking dishes to potluck, stacking bowls, unfinished drinks or any leftover fruits and vegetables. Specification: Material: Silicone. Color:  Blue, White. Weight: 130g / 117g. Temperature Range: 40°C-250°C. Size: 2.64" ( will stretch to 3.5" ). 3.66" ( will stretch to 5" ). 4.33" ( will stretch to 6" ). 5.51"( will stretch to 8" ). 6.3" ( will stretch to 9" ). 8.07" ( will stretch to 11" ). Package Includes: 6 x Blue Food Silicone Lid