A great set of 4 Royal Ruby Tumblers from Anchor Hocking.  They feature the Windsor pattern and measure 4" tall and 3 1/4" wide.  The set is in excellent vintage used condition.

Please review all pictures for additional details and measurements. Unless otherwise noted, it is free of chips or cracks, but due to age may have some visible imperfections such as minor scratches, trim wear, light staining, and/or minor crazing.