Package Included: 1PC sealing machine (without battery) Note: According to logistics and aviation safety regulations, magnetic products cannot be transported by air, so the new sealing machine will not have magnetic stickers. Specification: Material: ABS+PP Size (length * width * height): 10cm x 4cm x 5cm feature: Simple, convenient to use and store, very suitable for family use. how to use: Before use, please press and hold for 5 seconds to open the lid to preheat the item. You just slide it along the edge of any bag and it will be sealed. Please insert 2 AA batteries (not included) and you can see the "+" and "-" marks, and make sure the batteries are facing the correct direction. Perfectly maintain freshness Unused food, snacks, seasonings and ingredients are perfectly resealed in plastic bags. Working Principle Heating to melt plastic bag. After putting the batteries, please preheat the sealer by pressing 5 seconds before use. Easy and Convient to Use Heating Head Material: Ceramic Battery: 2x AA Batteries (Not included) How to Use 1. Open the battery cover, Insert 2 AA batteries (not included) and "+" "-"marks can see, make sure batteries face the right way. 2. Open the lock cover, first warm the machine body up (Press 5 seconds). 3. Press on the plastic bag, and slowly move the sealer to seal. 4. After use, please pull the safety lock cover up and remove the batteries.(The thin plastic bag maybe tear off after sealing, is a normal phenomenon.) Portable Size Space Saving