Material:Round electric fan dust cover made of polyester, durable, mesh design, it does allow air to pass through. The fan shield is small in size, easy to clean, easy to store and can be used for a long time. Easy To Use:The drawstring design on the back is convenient for installation and disassembly, making home life easier. The fan guard net is not only useful but also beautiful, add a decoration to your house while protecting infants safety. Kids Finger Protect Fan:This fan cover mesh can protect the childs fingers, the mesh can prevent kids from putting their fingers into the fan and the wind force is almost not affected. Simple cartoon fan cover is carefully protected to prevent children from putting their fingers into the fan and protect the childrens fingers. Beam mouth design:Honeycomb dense network, the suitable hole size effectively protect your infants and kids fingers and make the airflow more ventilated smoothly. Application:Anti dust fan net cover helps protect the fan from most dust, dirt, pollen. Keep fresh wind, but it is not a fan filter which can block all dust.