This Silicone lid set is a great kitchen product to buy. They come in six different sizes so You have variety in what they can store. You can also choose which color they want the set in: blue, pink, white, or yellow.
Kitchen Silicone Lids
6Pcs Reusable Silicone Food Cover Stretch Lids Universal Food Wrap Bowl Pot Cover Food Fresh Keeping Silicone Caps Stretchable.
Advantage: Heat resistance flexibleSize:2.6", 3.7" 4.5", 5.7", 6.5" and 8.3"Color: blue or clear