The Optical Crystal Straight Cube Paperweight is a beautiful crystal gift and office award that has many uses. It is a versatile, blank crystal cube that can be engraved with a logo, names and text using a sandblasting engraving technique. It is often used by corporations as an office achievement award, recognition gift for employees or a special retirement gift. It is very versatile for any occasion, elegant and functional. Available in 3 sizes; 2", 2-3/8", 3-1/8"