Come and see our amazing products. The 17oz bottle is made of 304 stainless steel with food grade PP. Resistant,corrosion resistant,safe and healthy.Large screen smart temperature display.Easy to understand the internal temperature of the liquid by touching the LED screen.360 degree rotation does not have to worry about water leaks,and sealing is good.This stainless steel water bottle has double insulating wall.The smart water bottle is ideal for easy travel,perfect for outdoor sports,work,beach,school,office,picnic,yoga,hiking,camping,cycling,running,etc. Pls confirm further with us if any query about packing info, inventory status and time schedule.