Air is the enemy of freshness and primary cause of freezer burn and dehydration in foods stored in the freezer, refrigerator and pantry. Ordinary storage methods trap air inside, causing food to lose flavor and nutrition over time. Yeasincere vacuum sealers remove and lock out air and moisture using specially-designed bags to prevent freezer burn.
Other use: Keep silver from tarnishing.
Secure important documents.
Keep your gear dry outdoors. Avoid leaky liquids in your suitcase.