Material: 304 Stainless Steel; Size: Bottom Diameter 0.7 x Height 1.1 inches (18 x 27 mm), Bottom Diameter 1.0 x Height 1.5 inches (25 x 37 mm), Bottom Diameter 1.2 x Height 1.9 inches (30 x 48 mm); Made of food-grade 304 stainless steel material, so it is rust resistant and durable. Squeeze cream like dumplings and decorate your cakes beautifully. Package: Set of 3 tips