Stack, Store and Roll the entire Strata Buffet System. Stack up to eight bases and decks in their interlocking protective cases on top of the cart. Trays, , carving boards store safely underneath on their edges. Roll the cart directly to the buffet table. Set up in minutes, too. Roll back to kitchen and store on the cart. Fast, safe, efficient and space saving... Queen Mary's, no more back strain, no more dropping heavy chafing dishes.