OptiClean™ Dishwasher Glass Rack, 16-compartments (4-7/16" x 4-7/16") with (3) extenders, full-size, holds glasses up to 4-3/16" in diameter with inside height of 8-1/2", double-wall construction, quick draining, positive stacking, four-way tracking, comfort curve handles on all 4 sides, polypropylene, textured finish, blue, NSF