How to use: Insert 2 AA Batteries, Unlock Safety Cap, Press Down on Sealer to Preheat, Flatten Out Surface of Desired Bag to be Sealed, Apply Sealer to Bag and Firmly Press Down. Specifications: Material - High quality ABS, Size - 10*3.5*4cm, Color - White/Pink, Battery - 1.5V, 2 AA Batteries. Package Include: 1 x Portable Food Bag Sealing Machine.