Traex® Full Size Rack Max® Glass/Stemware Rack, (12) compartment, 4-3/4" hexagon compartment size, with (4) (12) compartment extenders & (1) open extender, open bottom & sidewall, 11" 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)