Double wall vacuum insulated designed for icy and hot water. It comes with a leak-proof screw lid. You can sip or chug your beverage by one-handed even you are doing yoga or in gym. The fold out integral loop makes it easy to carry or attach to a backpack or belt. It has a locking mechanism which can avoid leaking. The vacuum insulated water bottle is designed with a wide mouth. Complies with CPSIA. Custom your color match and create your own coffee tumbler. More information, please send your detailed request for quotation.