A BOX INCLUDES: Three nonstick steel baking pans (13 inches, 15 inches and 17 inches). The Gallen Bakeware Collection from Martha Stewart carries all the essentials perfect to deliver one-pan meals and inspired batches of pastries. NONSTICK INTERIOR: Rectangular baking pans offer a nonstick surface that is both easy to grease and convenient to clean. Often used for but not limited to baking cakes, each pan requires less oil or butter to release baked goods or roasted vegetables smoothly. QUICK HEAT RESPONSE: Carbon steel construction responds to heat quickly as it allows even baking and roasting from uniform heat distribution DEEP SHAPE: Thick, straight-sided baking pans offer a deep shape to protect the cake from overbaking while it produces a smooth texture and light color. WARP-RESISTANT: Minimally raised edges and rolled rims resist warping to maintain the pan's shape after placing it under high temperature. OVEN SAFE: Up to 450°F CARE INSTRUCTIONS: Hand wash only