Chard VCA-86 Vacuum Seal Canister Type: Canister Color: Green Features: The Carey Vacuum Seal Canister is a battery operated cannister that keeps the container sealed. Keeps food fresh 5X longer. 3 AA batteries activate the vacuum pump to keep canister sealed. Vacuum released by moving the seal indicator with your finger. Snap down handles ensure tight fit. BPA free. Clear containers let you see what is inside. Built-in date wheel.