About this item 1PC Portable Mini Heat Sealing Machine Impulse Sealer Seal Packing Plastic Bag Easy ,convenient To Use And Storage, Great Ideal For Home Use. You Simply Slids It Along Of Any Bag And It's Sealed Airtight Please Open Cover To Preheat The Item By Pressing 5 Seconds Before Using. 🆕 About Us : ⭐We have humanized after-sale service, If the product has any quality problem and you have any idea for the product, please contract us and we will give you a satisfactory answer