Carry around your beverages with this 20 oz tumbler. Alpet Travel Tumbler is made from durable stainless steel material, with double-wall vacuum insulation to keep drinks hot for up to 8 hours and cold for up to 12 hours. Adopting a transparent and lightweight lid design, it is resistant to high temperatures and not easily broken. The bottom size of the tumbler is suitable for car cup holders and is easy to carry. Imprint drinkware only can be handwash. BPA FREE, FDA certified, CA Prop 65 list