Product Details ：It Is Very Important For Size: There Are Two Impulsive Sealing Agents On , So You Need To Pay Attention To The Premium And Maintenance Sealing Measurement Measurement Must Be A Hole. As Our Picture, For Your Reference On Your Detailed Information Page !!!!! Pulse Sealing Ptfe Strip Size: It Is Suitable For The Size You Use, Please Carefully Check The Size Before Buying. High -quality Materials: Heating Elements Are Made Of High-quality Materials, With High Resistivity, Low Resistance Temperature Coefficient, High Temperature Use, Good Resistance, High Temperature, Rapid Heating, Durability, And Not Easy To Rupture. Easy To Operate: Only Requires Screwdriver To Install On Most Machines. Please Try To Change The Old Elements To Have A Better Bag Sealing Function In Daily Use. It Is Not Good To The Kit When Replacing The Color Or Sealing Effect On The Ptfe (cloth) Warning. Size: 23cm X 2mm Material: Metal Colour: As Shown Package Contents: 6 X Heat Seal Strips Only The Above Package Content, Oth