Description: Material - The spline is made of PVC material and a hollow core structure with a serrated and round shape. High toughness, not easy to age and has long-lasting durability. Features - Dustproof, windproof, sound insulation, replace aging sealing strip for door and window and keep the screen in place and tightly. Wide Range of Applications - Suitable for most window and doors screen. Such as repairing, replacing, or securing window screens, patio screens, garden screens, sliding doors, patio doors, entry doors, etc. How to Use - Measure the groove size before purchasing; Prepare tools for replacing, such as a ruler, scissor, screen rolling tool, etc; Cut a suitable screen size, use a rolling tool to roll the screen mesh and spline into the groove slowly. Notice - Please measure the slot of the screen frame, then choose a screen spline 0.5mm larger than the slot width. Specification: Material: PVC Color: Black Length: 30M / 98.43Ft Outer Diameter: 3mm / 0.12-inch Package Content:1 x Screen Spline