A. Material: Made of durable aluminum alloy, these downspout gutter guards offer protection for gutters and downspouts against debris and leaves. B. Protection Function: The gutter strainers act as leaf filters to help prevent leaves, debris, twigs, and other dirt from clogging downspout pipes or rain gutters, aiding in keeping them clean and reducing blockages. C. Installation: Flexible and easy to bend to fit the size of gutter systems. With a width of 3.5 inches and height of 6.5 inches (or height of 15cm, circle diameter of 8cm-10cm). Before inserting, roll up tighter, and the gutter guard will expand in place after placement. D. Cost and Time Efficiency: Leaf guards for gutters serve as a cost-effective solution to address clogged gutters, helping save time and money on potential repairs and maintenance through their easy-to-use design. E. Warm Tips: Wearing gloves is necessary to prevent scratches from the edges when handling these mesh strainers. F. Colour: Silver G. Package Contents: 4 x Gutter Downspout Guard (only the above items are included; other products are not). Note: Light reflection and different displays may cause slight color differences between the item in the picture and the real thing. A measurement error of +/- 1-3cm is allowed.