The mini bag sealer is made of ABS material, which can withstand high temperature and low temperature, and has a longer life. With this heat sealer, you can keep food and snacks fresh for longer and reduce food waste. The mini heat sealer is a must-have for those who like snacks.You only need to install the battery when you use it for the first time. After the temperature rises, you can seal the bag with a light stroke on the left and right sides of the bag. Please press for 3-5 seconds to open the lid to preheat the item before use.This mini portable plastic sealing machine is more mini, easy to carry, and can be easily put into your bag or pocket. Whether you go camping, going out, or in the kitchen and living room at home, you can use it to cut and seal easily and conveniently.Please note that the mini bag sealing machine requires 2 AA batteries, which are not included in the scope of supply. When the battery power is low, the sealing effect will be affected. Please replace the battery in time. If it has not been used for a long time, remove the battery.