1.Features:Easy, Convenient to Use and Storage, Great Ideal for Home Use.Perfect Reseal Unused Portions of Food, Keep the Food in Freshness.It Simply ides It Along the Edge of Any Bag and It's Sealed Airtight.2.Size: 3.9*1.57*1.57in3.Material: ABS+ Stainless Steel4.Color: White, Pink5.Power: Battery (Not Included)6.Notes:Can Not Use on the Pure Paper BagCover the Protective Case After Use, Prevent Scald You.It is Necessary to Start Sealing After Press for a Few Seconds.The Speed of Sealing Can Not Be Too Fast, Otherwise It Will Affect the Sealing Effect.The Bag Thickness Larger Than 0.1cm is Hard to Sealing, You Can owly Sealing or Repeat It Several Times.Thinner Cling Film Needs to Be Folded Several Layers and the Sealing Effect Will Be Better, or We Should Seal Quickly. If Because the Package is Too Thin and We Fusing a Crack Still Ok, the Opening Also Be Sealed.