Size: length 10m, diameter 4.5mm Material: the sealing strip is made of rubber, with a solid structure and a serrated shape. High toughness and tensile strength, not easy to aging, long service life. [Features] - Keeps the screen in place and secure. Screens are installed in homes, offices, hotels, etc. Can reduce dust, wind and sound. Wide range of applications: suitable for most door and window screens. Examples include repairing, replacing or fixing window screens, patio screens, garden screens, sliding doors, patio doors, entry doors, etc. [Instructions for use] - Measure the groove size before purchasing; prepare replacement tools, such as rulers, scissors, scroll tools, etc. Cut out the appropriate screen size and slowly roll the screen and splines into the groove with a rolling tool. Note: Please measure the notch of the screen frame, then choose a strip of sealing 0.5 mm wider than the width of the notch. We recommend measuring at least 1 inch longer than the screen frame on all sides.