Product Description:
Type: Thermosteel Water Bottle/Flask. 
Insulation: Double-walled and vacuum insulated, designed to keep beverages hot or cold for up to 24 hours. 
Features: Leak-proof, easy to carry, BPA-free, and 100% rust-free. 
Design: The specific bottle in the image appears to be the Milton Ancy 500 model, which has a capacity of 520 ml. It features an inner copper coating for enhanced heat retention. 
 

Material Description:
Primary Material: Made from 304 Stainless Steel for both the inner and outer walls, ensuring durability and safety for storing beverages.