If you are not satisfied, just contact us and return it, we will replace it or refund you total. Purchase with no additional cost. Specification:1. Wipe the repair area with a dry cloth. 2. Trim clearly the hole around. 3. Cut the corresponding size and leaving an extra half-inch around the damaged area. 4. Holding the adhesive side of the patch against the tear. 5. Gently pressed the hole and screen door replacement together. 6. Using the netting press tool press the tape and window screen, make sure the tape can stick on the surface well, done!!! Material: Fiberglass Mesh. Color: Gray Package: 5cmx500cm (About 2inx16.4ft) each tape. Press tool Indoors or outdoors application: window screens, doors screens, pool screens, RV screens, tent repairs , thin meshes, etc.