Portable design: This empty mini sealer has a portable design, small and lightweight, easy to carry, and can be used anytime, anywhere. It doesn't take up much space and is ideal for homes and offices. Manual operation: This sealing machine uses manual operation, easy to use, does not require additional power or batteries, saving energy. Simply place the mouth of the bag into the sealing machine and press tightly by hand to complete the sealing, which is convenient and efficient. Multifunctional application: suitable for all kinds of plastic bags, such as snack bags, dried fruit bags, etc., can be sealed and fresh-keeping, moisture-proof and dust-proof, extend food shelf life, keep food fresh and delicious. Efficient sealing: The sealing machine uses high quality sealing strip, sealing effect is good, sealing firmly, to ensure that food and other items are not easy to be contaminated by moisture, keep dry and clean. Household must-have: This sealer is a must-have gadget for your home kitchen that helps you better manage your food storage, keep it fresh and reduce food waste. At the same time, it is also suitable for use in stores, grocery stores and other places to improve the quality and hygiene of product packaging. Product name :USB sealing machine Size :10.1*4.3cm/3.98*1.69 inches Packing: carton Material :ABS+ magnet + electronic components Weight: about 87g Special point: sealed moisture-proof, one thing dual use Quantity: 1pcs/4pcs