Description: Easy, convenient to use and storage, great ideal for home use. You simply slids it along the edge of any bag and it's sealed airtight. Provide protection against the tide, mould proof. A magnet on the based can be adsorbed on the metal surface. Please open cover to preheat the item by pressing 5 seconds before using. Feature: Color: Blue Material: ABS and metal Package include: Mini Heat Sealer