Brand: Yasuda. Material: Stainless Steel. High grade vacuum flask. Holds temperatures (Hot or Cold) efficiently. Keep beverages hot or cold for up to 24 hours. Slim and smart design. Durable and easy to carry. Suitable for school kids, workout lover, dancers and sport person as its light and slim to carry. Double walled vacuum insulated technology keeps beverages hot or cold for 4 hours inner coating for better temperature retention bpa free. Easy to use and clean this bottle easy to clean you can simply clean with water and mild dish wash liquid detergent no extra efforts needed you can carry this stylish bottle wherever you want like office college gym picnic trips travelling etc or simply so can keep it in home or you can use it like fridge water bottle. Double wall vacuum insulation technology retains the temperature flavor freshness and nutritional value of the drink inside superior thermal retention to keep beverages hot or cold. One Year Company Warranty.