●3-1/8 inch x 3-1/8 inch bottom, 4 inch x 4 inch top, 1-1/2 inch high ●Solid-brown single-serving paper (thin cardboard stock) baking mold with a PET-laminated (coated) interior for ease of release ●Beaded rim; made for one-time use ●Oven safe in temperatures up to 390 degrees Fahrenheit; microwave and freezer safe; grease and warp resistant ●Free standing, but place mold on baking sheet for additional support in the oven; mold suggested for baking cake, cheesecake, crumb cake, pound cake, quick bread, pie, danish, tart, quiche