Medium silicone bag arctic oceans 17.5x19 cm is a novel, ecological and healthy alternative to plastic. This new model belongs to the "Endangered Seas" series in which Stasher donates 1% of each bag to the Surfrider Foundation to help remove plastic from the oceans. The Stasher bag is reusable and thanks to its safe material and the totally hermetic seal, it becomes a multi-use bag It is recommended to use to transport food to work, school, travel, etc. Ideal for carrying a few nuts, a piece of cut fruit, a few cookies, a sandwich, a snack, etc. Keep and store food in the pantry, in the fridge or in the freezer. It closes hermetically only by pressing firmly on the edges. For better preservation of food and for it to take up less volume, extract the air from inside the bag before closing it.