WalMart has the Seal-a-Meal food vacuum sealer marked down to only $34.99 right now! (Reg $49.99)
This system is designed to preserve foods using a vacuum sealer and bag system. It removes the air inside the bag to create a tight seal around food. The multi-ply bag material is designed to lock air out and prevent freezer burn. The bags are puncture and tear resistant and durable enough to microwave and also to simmer.