Product Name: New Portable Hook Closure Machine Material: ABSColor: gray, whiteProduct size: 14.4x3.5x4cm Packing size: 15x4.3x4.7cm Net weight: 46g, gross weight 60gFeatures: high temperature closure, easy and economical, small and portable, good sealing performance, more peace of mind for storage or refrigeration.Instructions for use:1, after charging the battery , will not heat automatically, will not heat after pressing2, to install the battery correctly3, after charging the battery, continue to press for about 3 - 5 seconds to start heating4, put the bag to close in the middle, according to the thin thickness of the bag, the appropriate time to pull through5, finished using, no need to remove the battery, hang the hook in the plug. Note: The data is all manual measurement , please allow 1 - 13cm error, due to the difference in light and display, there will be some color difference, depending on the physical object received.