Double wall cold color changing plastic water bottle

Double wall cold color changing plastic water bottle ,

Will change the color when add the icy cold water 

Item No. :JSPP-350   

Material :Foodgrade PS inner body and outer layer 

Capacity :350ml(350/450ml different size are available )

Design :OEM/cusomized design     

Printing :  water  transfer decal or paper insert    

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