[Practical Home Essential]:Using our gutter guard will 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! [Durable Material]:These gutter strainers are made of non-corrosive and waterproof Aluminum, durable, waterproof and weather-resistant, 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 sharp edge may cause scratches. Colour:Silver Material:Metal Size:145x100mm Package Contents: 16 x downspout filter