Used only once, but I dropped it and there are small scratches on the bottom, as shown in the photos. There are no problems with use. I am selling it at a bargain price because I haven't used it at all. Instant purchase OK Price not negotiable Thermos Stainless Steel Vacuum Insulated Mobile Mug 750ml Matte Black JNR-751 MTBK Brand: Thermos Capacity: 0.75 liters Color: Matte Black Recommended uses: Hot and cold beverages Features: Book Target age: Adults Customize with your favorite design by replacing the parts! (JNR customization plate sold separately) Size (approx.): Width 7.5 x Depth 7.5 x Height 25.5cm, Body weight (approx.): 270g, Capacity: 750ml Heat retention: 72 degrees Celsius or higher (6 hours) / Cold retention: 10 degrees Celsius or lower (6 hours) Country of origin: Philippines Material: Inner bottle/Stainless steel, Body/Stainless steel (acrylic resin coating), Lid cover/ABS resin, Lid/Polypropylene, Drinking spout/Polypropylene, Lid gasket/Silicone rubber, Stopper gasket/Silicone rubber