These screen repair patches from Prime-Line feature durable fiberglass construction and a charcoal finish to match an appropriately colored screen. They can be used to cover up to 3 inch diameter holes in existing window screens or screen doors to provide a less expensive alternative to purchasing new screens altogether. Installation is fast and easy with no tools required. With the adhesive backing, simply peel and stick wherever you need them. Fixes holes and tears simply and easilyFiberglassCharcoal Gray3" x 3"5 per card