Traex® Full Size Rack Max® Glass/Stemware Rack, (20) compartment, 3-15/16" hexagon compartment size, with (6) (20) compartment extenders, open bottom & sidewall, 12-9/16" max inside height, handles on all (4) sides, co-polymer plastic, full size (19-3/4" x 19-3/4") double wall construction, snap-fit extenders, NSF, Made in USA (contact factory for racks per case) (Refer to vollrathfoodservice.com for full warranty policy)