Our high-performance pot has an innovative aluminum base that decreases heat-up time by up to 40%. A series of fins comes in direct contact with the flame on your gas cooktop, gathering and channeling heat into the base. Equipped with a perforated insert, this stainless-steel pot quickly cooks and drains pasta, vegetables and shellfish. Use the stockpot on its own to simmer soups and stews. Designed and developed by Williams Sonoma, and exclusively ours. Aluminum base with fins decreases heat-up time by up to 40%. Perforated insert drains foods quickly. Nonreactive stainless-steel cooking surface resists sticking.? Riveted stainless-steel handles are designed for comfort durability. For use on gas cooktops only.? Limited lifetime warranty.