Features: brand new and high quality The bottle comes double layer stainless steel and vacuum sealed to keep your drink cold for up to 24 hours, and hot for up to 12 hours. The water bottle is made of 304stainless steel material, that is BPA free and non-toxic. The water bottle adopts one-button design, which can be opened easily with one hand for drinking. for Ideal water bottles for work, yoga, hiking, working out, exercise. Great gifts for kids, adults, athletics teams, and birthday. Specifications: Material: 304 Stainless Steel Capacity: 500ML Color: Black/Blue/Green/Pink/White Size: Approx. 2.76x8.54inch(7x21.7cm) Package Includes: 1x Cup note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.