Shaker Mat - Red Our Shaker-Mat is designed to give a bartender an extra drain area for cocktail shakers. Now a bartender does not have to take up valuable bar mat space or use a bar rag to drain shakers. Has 2 spots for shakers and mixing glasses.(4.5 X 9 inches) Available in black, blue, red and green. Combine a few of these to make a service mat for your servers as well.