Model number NSN-1116-61. UPC 657447097454. Product dimensions: mini ring 1 inch by 1.5 inches by 0.2 inch. Small ring 1.2 inches by 1.7 inches by 0.3 inch. Medium ring 1.3 inches by 2.0 inches by 0.3 inch. Large ring 1.8 inches by 2.6 inches by 0.5 inch.