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:20.0 x W:35.7 x D:33.0 cm Weight: 0.5 kg Colour: Yellow Guarantee:1 Year Material: Polyester Model Number: 13392