Food Storage Container- Set of 2 0.8L and 1L Electronic Auto Vacuum Canister Seals and Reseals When Air Gets In Food Storage Container- Keeps your food fresher- longer! Electronic Canister- Vacuums air out with the touch of a button and automatically keeps air out Infuse marinade into your meat with vacuum seal technology Battery operated- 2 AA or C (C is recommended for longer life) Perfect for dry goods, fruit, coffee, tea, and more