Usage Tips:[Practical Home Essential]:Using our gutter guard prevent leaves, debris, roof moss, twigs and other dirt from clogging downspout pipes or rain gutter as well as block critters from climbing up in, saving you time and pricey repairs! [ Material]:These gutter strainers are made of non- and waterproof Aluminum, , waterproof and weather-, which can be used for long time. [Expandable Mesh Leaf Filter]:These gutter strainer is 100mm in width, 145mm in height. They are flexible and can be easily bent to fit the size of your gutter system. Perfect for most downspout of size. [Easy to Use]:No extra tools required, just place it into the downspout hole and push it into the right place. NOTE: Be aware of wearing gloves when you work with these strainer mesh, for the edge may cause scratches. Colour:Silver Material:Metal Size:145x100mm Package Contents: 8 * downspout filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.