Our Vacuum Tumbler own high food-grade stainless steel material, which is adequate for your personal use. Our most robust material grants you more likelihood & inspires you with your creative ideas. Our unique hot and cold tumblers have super unbeatable sturdiness with great temperature retention capability. Our multi-functional stainless-steel tumblers have Thermo-shield technology, which regulates the temperature inside & sustains your beverages hot and cold for 6 hours. Our BPA - free coffee tumblers help you enjoy your favourable drinks anywhere & anytime without fear of leakage. Specifications: Dimensions: H:6.5 x W:22.2 x D:13.0 cm Weight: 0.3 kg Colour: Green Guarantee:1 Year Material: Stainless Steel Model Number: 13217