16 OZ. Friver Stainless Steel Travel Mug is made of stainless steel outer and plastic inner, food-grade and BPA free. Plastic lid with spill prevention slide lock, smooth curved body for easy grab-n-go, matching double wall plastic inner liner for insulation. Large capacity coffee mug is perfect for your journey and travels. Rush 3 days available with rush charge upon request. Imprint drinkware only can be handwash. BPA FREE, FDA certified