Cold color changing metal water bottle ,magic mugs

Cold color changing metal water bottle ,magic mugs 

When add the icy cold water into the bottle ,the design or color 

will change the color 

Item No. :JSCM-500ml         

Material :Foodgrade  safe aluminum for bottle ,PP for lis ,304SS for keychain 

Size :500ml  (350ml ,400ml,500ml 600ml ,750ml .1000ml  different size is  available )

Design :OEM/cusomized design     

Printing :  water transfer printing ,high tempreture decal      

USAGE :coffee, tea, milk, beverage, juice, promotion, gift and advertising