High grade SS 304 Stainless Steel. Rust Proof. Hot & Cold for Longer Hours. Easy to hold. 100% Leak Proof. Vacuum Insulated. Hygienic and odour-free. Dimension : 9 x 7 x 28.5 cm (LxBxH), Diameter : 6.5 cm, Weight : 400 gms, Capacity : 660 ML 1 Year Manufacturer Warranty. <br>This products is under 1 year warranty from the date of retail purchase against any manufacturing defects in material and workmanship. The warranty does not cover damages resulting from accidents, mishandling or tampering with the mechanism.