Come and Check Our Branding Solutions.This bottle is made of 304 stainless steel,which can reach the edible level,which ensures the safety of our drinking water.This bottle has 6 layers of different materials, which can be kept hot for 24 hours and cold for 12 hours.What makes this product more popular is that this water cup has the function of intelligent touch display of water temperature.This greatly reduces the occurrence of mouth scalding.In addition,this product uses a food grade silicone ring to prevent the cup from leaking. The capacity of this bottle is 17 ozs.The price includes shipping cost to ca. QTY for 1000pcs and over by ocean.100% guarantee for quality. Pls check inventory and detailed info before placing your orders.