Health Material: Zing Tti Titanium Cup inside and outside are made of 99.9% titanium, family members can use safely. No any heavy metal precipitation, long-time use will not rust, not easy to break. Can be used for drinking water, coffee, milk, juice, etc. . Stylish and eco-friendly: this stylish titanium cup has natural color and texture, which is due to changes in physical structure, formed in the high temperature of nearly 1000 °C. It doesn't use paint, plating, and other industrial coloring to enhance the look like other soaks. We Bet you won't find any more interesting or unique glasses on Amazon! Ultra-lightweight: Titanium alloy is very lightweight, at the same volume, the titanium alloy cup is usually only 50% of the weight of stainless steel cup, easy to carry. Such as the outdoors, camping, parties, the beach, wine, pints, snacks, barbecues, picnics, and any other activities that you may have in your life. Process: Double Titanium, seamless design, no acute angle, safe to use, delicate crystal surface, without any rough spots, easy to clean by hand and dishwasher safe, suitable for small hands.