1 pack = 3 strips Strips Polytetrafluoroethylene18" x 1/2" one Side Adhesive PTFE  Glass Coated Fabric Cloth Tape with Liner, High Temperature Heat Resistant, 5 mil Thickness. Three 18-inch-long x 0.5-inch-wide Teflon strips with adhesive backing. Fit virtually all FoodSaver series, incl. 2000, 3000, 4000, 5000, GameSaver & Professional, and all Weston, Cabella's, Nesco and Rival Seal-A-Meal models Replaces deteriorated or burnt-out Teflon tape / PTFE tape, which is a crucial barrier between the heating element and the bag in your heat sealer machine. Old tape causes poor sealing and can lead to a broken heating element and a broken sealer Strips are slightly wider and longer than necessary, allowing you to easily cut them down to the perfect size for your model. Strips should be replaced when they appear warn, discolored or if sealing isn't perfect Ideal for virtually all FoodSaver models including 4800, 2244, 3240, 4440, 4865, 3880, 3460, 2840, 3840, 3835, 2440, 2450, 2860, 2240, 2840, FM2000, FM2100, GameSaver, Professional, and many more. Great for Weston Pro 2100, 2300 and more Peel and stick backing - easy to apply. Simple-to-follow instruction below. Over the wire for vacuum sealers, under the wire for impulse sealers. Please note: This is an aftermarket replacement product (produced by Spooran Products). Direction: Remove old sealing stripe Wipe away any sticky residue Peel yellow backing off of the new stirp and apply over heating element. Trim as necessary. Smooth away any wrinkles or air bub