Many writing weight papers incorporate a watermark into the paper’s finish during production. It often adds an element of elegance and quality to the paper itself. Our Non-Watermarked section provides a simple way for you to shop exclusively for writing papers that do not contain a watermark, just in case. Computer Paper - Our computer paper product range includes carbonless computer paper with left and right perforations, blank computer paper with 1/2-inch greenbars, and premium blank computer paper bond.