They're environmentally-friendly, eliminating the need to repeatedly buy expensive plastic wrap
Silicone tops are round yet stretchy enough to fit snugly over odd-shaped mugs, pots, cups & bowls
Microwave-safe & heat-resistant to 450˚F so you can quickly reheat & enjoy delicious leftovers
Features non-toxic, BPA Free, dishwasher-safe & leak proof, air-tight seal so foods stay fresh