This two-pack iTouchless Bag Re-Sealer provides inexpensive and easy way to perfectly reseal unused portions of food in seconds. It creates an airtight seal that locks in freshness. You simply seal along the edge of any bag and it is sealed airtight in seconds. You will not only save on storage bags, but you can save even more buying bulk at warehouse clubs. Just use Bag Re-Sealer to reseal any unused portions over and over again. Uses 2 AA-sized batteries (not included). Dimension: 4.00in.