High Quality 1, Made of 316 stainless steels, durable than glass and unbreakable. 2, BPA Free, Lead Free, kids and adults can use it with peace of mind. 3, Powder coated exterior provides additional texture and durability. Humanization Design 1, Double-wall vacuum insulation design, can protect against heat or cold transfer, and keep your drinks be hot or cold for longer time. When filled with hot water, the cup will never get hot to touch! 2, Screw lid, silicone seal ring, along with the lid lock can avoid water leakage even tip over or shake the water bottle. 3, Good ability of insulation and suitable size makes it a good choice for traveling, office, car and other places. 4, Looks fantastic with beautiful color and delicate design, it is a wonderful gift for your friends, family members and so on. 5, Large capacity, double drinking mouth design to meet your needs for various occasions Kindly Reminder: 1, Please do not invert the cup before tightly secured the lid and lock to avoid pouring! 2, When full filled with hot drinks, please cover the cap and keep the cup out of reach of children! 3, Do not put the cup in the microwave for heating! 4, Please use caution when dressed up hot liquid shaking! 5, It is better washing the cup by hand with sponge cloth or sponge ball in warm water!