Fits virtually all vacuum sealers, as well as most models of hand / impulse heat sealers Replaces deteriorated or burnt-out PTFE tape, which is a crucial barrier between the heating elementsand the bag. Old tape causes poor bag sealing and can lead to a broken heating elementsand a broken sealer Tape may be slightly and longer than necessary, allowing for broad compatibility. Strip should be replaced when appearing warn, discolored or if sealing isn't perfect Just peel tape from the roll and place on the correct area (you may need to clean the strip location before placing the piece of tape). Over the wire for vacuum sealers, under the wire for impulse sealers Comparing with common tape, this PTFE tape is more heat and cold . it has good effect in insulation for high voltage; there is no chemical reaction for chemical medicines or agents and solvents; It possesses resistance for light, oxygen, wear-resisting, anti , unordinary smoothness, good paste ability and other advantages. Colour:Light brown Material:PTFE Size:Width: 5.0cm thickness: 0.18mm length: 10m Package Contents: 4 x roll PTFE Fabric Tape Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.