Made from dustproof and waterproof polyester, soft and breathable,anti scratch, dust-proof, Protects your host computer CPU against dust, fingerprints, dirt, water, oils, scratches, sunlight and mildew. Specially designed with double zipper on the cover of one side,you can unzip the zipper to lift the one side cover,then you not only can use various computer interfaces normally,but also not affect the heat dissipation of the computer.If you don't need the computer,you can zip it up to protect them from dust. The dust cover design with open bottom, just slide in from the top side. Size:10.6W x 20.5H x 24.5D inch,Compatible with most of computer CPU that smaller than the cover size, effectively protect them from dust and scratches. Easy Clean can be washable when it is dirty; Non-toxic, super anti slip, durable. This cover is thin and light, foldable for storage when not in use.