Add documents to your Vario Reference System with this Durable Office Products Vario Expansion Set. This set includes an extension bracket, 10 sleeves and 10 snap-on tabs. Each of the 10 letter-size polypropylene sleeves comes with a highly durable frame in assorted colors (two each of red, green, black, dark blue and yellow). Easily attaches to your original system. Key Features Includes extension bracket, 10 snap-on tabs and 10 polypropylene sleeves Letter size 10 sleeves provide 20 viewing sides Specifications: Material: Polypropylene sleeves and frames Viewing Sides: 20 Size: Letter Note: This item can not ship to Canada.