This set includes 1 stainless steel sheet and 3 stackable frames of different height. The stacking system makes it easy to layer mousses, desserts, and cakes, as well as cut with seamless results. : Different sizes frames allows for creating desserts at the exact desired height and size. This set is available in sizes of 23 3/4"x15 3/4" and 15 3/4"x11 7/8"; Each set is sold separately. Made in France. SET OF 4: This set includes 1 stainless steel sheet and 3 stackable frames of different height. VARIETY OF USES: The stacking system makes it easy to layer mousses, desserts, and cakes, as well as cut with seamless results. ASSORTMENT OF FRAME SIZES: Different sizes frames allows for creating desserts at the exact desired height and size. MADE IN FRANCE: Matfer Bourgeat ensures high standards for durability, performance, and hygiene to meet the standards of professional kitchens. One tray, 24" length x 16" width. Three interchangeable frames that lock into the base and each other. Aluminum with plastic corner locks. Each. Extra Frames can be found here