Product Description:
Insulation: Features double-wall vacuum insulation with an inside copper coating for enhanced temperature retention, keeping drinks hot or cold for hours. 
Leak-Proof: Designed with a leak-resistant screw-top cap to prevent spills. 
Portability: Suitable for everyday use, including office, gym, and travel. 
 

Material Description:
Construction: Made from 100% 18/8 SS-304 food-grade stainless steel both inside and outside. 
Rust-Free: The stainless steel material ensures it is 100% rust-free. 
Safety: Utilizes food-grade materials for safe and non-toxic use.