350ml BPA Free double wall cold color changing plastic water bottles

350ml BPA Free double wall cold color changing plastic water bottles,

Will change the color when add the hot water into the bottle 

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