Signature 12'' Wok: Non-stick wok with long and helper handles Handles stay cool to touch during normal stovetop cooking Made of 0.6mm thickness brushed stainless steel Includes a tempered glass lid Impact bonded base with 3mm aluminum disc for quick even heating distribution Whitford Fusion coating browns/sears faster than traditional non-stick coatings Safe for all cooking surfaces-induction ready PFOA and PTFE free Limited lifetime warranty . Measurements: 12" DIA " material="Stainless steel, aluminum, glass"