This handy bag resealer helps preserve foods' freshness by creating an airtight seal. easy to use; simply slide sealer along edge of bag to lock in flavor saves money and reduces waste caused by disposable storage bags magnetic base to keep it easily accessible on fridge includes one red and one blue resealer and protective cover ABS plastic. Each resealer measures 33⁄4x11⁄2x13⁄4H and uses 2 AA batteries not included. Use protective cover for heating pads when not in use. Imported.