The 2-tier, with riser Sorter has 50 pockets (11 5/8"W x 2 5/8"H x 13 1/4"D). The shelves are fixed. The pockets are sized to accommodate commonly used 10" x 13" flat envelopes. The sorter is available in multiple heights, with or without an elevated riser. There are optional side dump rails, a task light, and label holders. It has a durable steel construction and is ready to assemble. Product Features: Choose from 10 durable powder coat finishes Standard pocket dimension: 11 5/8"W x 2 5/8"H x 13 1/4"D Shelves are fixed Pockets sized to accommodate commonly used 10" x 13" flat envelopes 48"W and 60"W sorters available in multiple heights, with or without elevated riser Optional side dump rails, task light, and label holders Durable steel construction Ready to assemble *Custom made in the USA - Not Returnable - Normally ships in 6 weeks Dimensions: Overall Dimensions: Width: 60" x Depth: 13 1/4" x Height: 46 1/4"Weight: 182 lbs.Limited lifetime warranty from MaylineBrowse our entire collection of Mayline furniture by following this link: Mayline Office Chairs & Furniture