1. material: these water collection bucket covers are made of durable polyester material, the mesh is tight and thin, can prevent small items from entering the bucket, and is sturdy and durable, odorless, and can withstand sun and rain outdoors. 2.Packing List:You will receive 2 pieces covers for water catcher bucket. The black mesh not only keeps the light out, but the fine mesh also keeps mosquitoes away from the egg container and protects against pollution caused by leaves. Make sure the water is clean. 3.Drawstring Design Our rain butt net cover is designed with a drawstring to facilitate use and better seal the rain butt and adjust to different sizes. This can better ensure that mosquitoes and small animals do not get into the rain butt. 4.Suitable size: the rain barrel net measures approx. 80 cm. Since it has a large enough diameter, it can cover small tables and small benches in your home to prevent dust from falling on your surfaces.