The item in the image is a Starxcup (also known as a Twinkle Starx Cup), a thermal insulated stainless steel drinkware product. It is often sold as an 850ml capacity tumbler or vacuum flask, designed for both hot and cold beverages.
Key Features
Design: Features a "Happy" cartoon character aesthetic with a sturdy integrated handle and a leak-proof flip-top lid.
Materials: Typically made from high-quality 316 stainless steel with a BPA-free, scratch-resistant outer layer.
Insulation: Double-wall vacuum insulation to maintain beverage temperature for several hours.