Calphalon UNISON Slide 10-in Fry Pan & Egg Poacher Insert Heavy-gauge hard-anodized aluminum with three interlocking nonstick layers provides excellent heat conduction and uniform cooking; exterior won't chip, peel, stain or scratch. Durable nonstick interior for flawless release and convenient cleanup. Remove the insert to use the all-purpose pan for everyday cooking and sauce making. Tempered-glass lid. Triple-riveted ergonomic handle stays cool on cooktop.