Innovative sealer with built-in blade design for effortless bag opening and quick sealing. magnetic back for convenient storage on iron surfaces like refrigerators. rechargeable device -saving solution in sealing household plastic bags, snack bags, and more. compact and design with included lanyard for easy carrying and quick access. three adjustable levels for versatility and suitability with various materials, perfect for bags with a thickness ranging from 0.03mm to 0.13mm.