Crafted from pure aluminum, the Naturals Jelly Roll Pan delivers superior heat conductivity and even heat distribution with no hot spots, producing perfectly golden results every time. Encapsulated steel rims provide warp resistance built to last, making this versatile pan a trusted favorite of both professional and home bakers for cookies, sponge cakes, roasted vegetables, and sheet pan meals. Made in America and backed by a Lifetime Warranty, this commercial grade essential is built to perform for years to come.