USA Pan bakeware set includes two essential pans that help you create beautiful and delicious desserts, cookies, cakes and more. Set includes: 18" x 13" half sheet and 9" x 13" quarter sheet. Made of aluminized steel, the thickness of these pans allow even heat distribution and maximum service life. Corrugation design maximizes strength and prevents warping, denting and the effects of everyday use. Hand wash. Lifetime Warranty. Made in the USA.