4PCS in 1 Set: The includes 4pcs bag sealers mini, enough to meet your needs and use it to help quickly sealing and cutting 2 in 1 Function: The " + " side is a heat sealer for sealing function, and the " - " side is a cutter for cutting function. You can use the bag resealer to re-seal the bag, keep your snacks and food fresh, and reduce food waste How to Use: Please remove the hook, and preheat the " + " side for 3-5 seconds before using, then it along the edge of bags to seal. If the bag is too thick, please try several times. And please the " - " side and move slowly to open the bag and Portable: Made of plastic material, the mini bag sealer is and , you can easily put it into your bag or pocket. You can also use the hook to hang it on the cabinet ATTENTION: The 2 x AA batteries are not included, please install the batteries before using. If the battery power is insufficient, the sealing effect be affected, so you should replace the batteries and use high-powered AA batteries. Colour:grey Material:ABS Package Contents: 4 x Sealer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.