"Vinyl Dustcovers. Clear vinyl dustcovers are constructed of heavy gauge vinyl which is waterproof and anti-static. Machine stitched for extra strength and long-lasting wear. Keep sensitive computer equipment free from dust, spills and other environmental contaminants, avoiding downtime and costly repairs. These covers come in a variety of universal sizes to fit most PCs, keyboards, monitors, printers and typewriters. Choose the cover size that most closely matches the dimensions of the equipment."