As seen in HUFFPOST
The stretch top creates a vacuum seal that allows you to preserve food in the refrigerator easily and hygienically, preventing contamination and prolonging freshness.
This top is especially useful in with leftovers in either metal, plastic or glass. It is even suitable for preserving fruit and vegetable halves.
A vacuum seal is achieved by simply pressing down on the top. Due to the products elasticity it easily adjusts to containers of all sizes.
Pack of three 8.5 cm units for small containers, cans, fruit and vegetables (half oranges, onions, etc).
Two available assortments: 3 units in white or 3 units in green, orange and white