LEAK-PROOF LID: Tightly fitted lid prevents the inside liquid from leaking; perfect for on-the-go activities SAFE MATERIAL: Uses food grade stainless steel and lid, BPA free; safe, eco-friendly material gives you peace of mind. KEEPS YOUR DRINKS HOT OR COLD FOR HOURS: Double wall vacuum insulation design keeps your beverages icy and coffee or tea hot for hours; never feels cold or hot to the touch; offers you ice cold or steaming hot beverages anytime, anywhere. EASY TO CARRY AND ANTI-SLIP: 14 oz capacity helps you to stay hydrated; 69mm bottom diameter easily fits car cup holders; unique silicone anti-slip pad at the bottom keeps the tumbler stable. ONE HAND OPERATION: Spout design on the lid lets you use one hand to get your drink while driving; thickened smooth mouth opening provides extra comfort.