Size dividers are an essential tool to keep apparel organized on a sales floor. Customers will have no trouble viewing the large double sided 3" x 2" (W x H) framed window. These plastic dividers have an overall size of 3.75" x 10" (W x H) and will not easily fall off of racks. Use blank insert cards (50 included) or your own colored inserts or photographs to display sizes, style, etc. Dividers will accept an insert of 3 1/4" x 2 1/2" (W x H). It is recommended to place on tubing before mounting tubing to a wall or place over the end of tubing on racks before clothing is added. This divider will fit on 1/2" rectangular or 1 5/8" round rails.