It's like having an extra set of hands to hold your cables in place for you. I have done this so many times by laying heavy books over my cords, wedging them under a picture frame, or other equally sad attempts at organizing. With these guys, all you need to do is pull the adhesive back off and stick it down where you want.

dimensions: 1 1/8" diameter. sold in packs of six. available in white, black, muted colors, or bright colors.