Specification:Material: ABSSize:3.5 x 9.5 x 3.5cm/1.37 x 3.74 x 1.37inchBattery: 2 x AA Batteries(Not Included)Package Includes:1 * Mini Bag SealerNotice:1.Not suitable for pure paper bags and pure aluminum bags.2.Please don't press the machine too hard. Otherwise, the heating metals may become deformed and broken. The plastic bag for sealing needs to be clean without oil or water.3.Do not touch the high temperature seal with your fingers to avoid burnsPlease be patient and try it many times when you use it, thank you for your understanding.