Cocktail sophisticated, outdoor durable.The 350ml/12oz Tumbler is constructed in double-walled, vacuum-insulated stainless steel, keeping hot drinks cozy and cold beverages chilly.Its topped off with a tri-mode lid for flow control so you can sip at your own speed.The heavy-duty powder coat is scratch resistant and allows you to toss the tumbler in the dishwasher when youre finished.A non-slip silicone pad on the base grips surfaces to avoid scratches and spills. Free of BPA, BPS, and BPF.Features:Vacuum insulated - double wall vacuum insulated to maintain temperatureSpill resistant - tri-mode lid for flow controlNon-slip silicone baseDurable - 18/8 Stainless steel with full powder-coat finishDishwasher safeBPA, BPS and BPF free4 hours hot, 6 hours cold