Inner reservoir material: stainless steel 304 Outer shell material: stainless steel 201 Insulation performance: 6 to 12 hours Style: large capacity, car cup, large belly cup Color: gold 1. Material: the Bingba cup is made of stainless steel 304 with a double-layer structure, which can better maintain the temperature of the drink and is safe and leak-proof. 2. Specifications: coffee cup capacity 30oz, gold color. 3. Features: the coffee cup has a large capacity and the design of the cup body is very suitable for being placed in the car, allowing you to drink whenever you want. It is very suitable for anyone who wants to hydrate on the go. 4. Insulation: designed with vacuum insulation, this cup can keep your drinks refreshing for up to 18 hours and hot for up to 6 hours. Perfect for hot summer days or long workout sessions. 5. Function: the coffee cup has a simple and elegant appearance, is easy to carry, and is suitable for various occasions. It can also be used as an exquisite gift for parents and friends. [French company and brand TECH DISCOUNT]: Our company TECH DISCOUNT manufactures and sells this high-quality product compared to similar products on the market (Even if the photos are similar, they are not designed in the same way and the sellers do not offer the same after-sales services). Each product undergoes strict quality control before shipment, ensuring you receive your product in excellent condition. In case of a quality issue, we will provide a free exchange within 14 days. Shipped from France on the same day as the order and you will receive it as soon as possible (unlike other sellers who cannot guarantee the timely delivery).