Traex® Full Size Rack Max® Glass/Stemware Rack, (30) compartment, 3-3/16" hexagon compartment size, with (3) (30) compartment extenders & (1) open extender, open bottom & sidewall, 9-7/16" 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)