Giottos Large Super Rocket-Air Blower for All Notebook - Netbook - Laptop - Desktop Keyboards - And All Computer & Electronic Equipment Natural and environmentally-friendly rubber. - Special design for optional neck strap attachment. GIOTTO'S patented tripod base design provides free-standing function convenient use and storage. Air inlet valve design prevents air's back flow from the air nozzle. Rocket-Air blows off dust particles even those clinging to items from static electricity. Detachable supper air stream air nozzle.