The roof gutter guards uses plastic materials with detailed workmanship, safe, wear-resistant, easy to clean, durable for long time to use. It can effectively prevent leaves and from entering the sewer. Easy to use, it is proper for roofs, balconies, gardens and so on with fallen leaves. Features -Color:Black. -Material:Plastic. -Size:15.00X10.00X10.00cm/5.89X3.93X3.93inch. - Light in weight, compact in size, this roof gutter guard is in reasonable structure, easy to use and store. - Effectively avoid the sewer from clogging, and the fine hole design speeds up water drainage. - Made of plastic materials, very professional, safe and practical, you can use it rest assured. - It can effectively block leaves, garbage and other debris, avoid the drainage from clogging, bring you more convenience. - Widely applied for roofs, balconies, gardens and other places with fallen leaves. Package list: 8 Filter Caps