CALYPSO PRO , the ultimate flask designed for those who value both style and functionality. This double wall flask features an ergonomic design with a rotating handle, making it easy to carry and use on the go. Crafted from  recycled stainless steel , it not only helps you stay hydrated but also contributes to a more sustainable planet.The CALYPSO PRO can keep your beverages hot or cold for up to  20 hours , ensuring that your drinks are always at the perfect temperature. With a sleek geometric shape and a compact size of  22.4 x 6.7 cm  (diameter), this flask fits comfortably in your hand and is easy to store in bags or cup holders. Packaged in an eco-friendly kraft paper box, the CALYPSO PRO is not just a practical accessory; it’s also an excellent gift for eco-conscious friends and family. Key Features: Double Wall Insulation:  Keeps drinks hot or cold for up to  20 hours . Ergonomic Design:  Rotating handle for comfortable carrying and easy access. Sustainable Material:  Made from recycled stainless steel, promoting eco-friendliness. Stylish Geometric Shape:  Modern design that stands out while being functional. Compact Size:  Dimensions of  22.4 x 6.7 cm  make it perfect for travel. Product Specifications Specification Details Product Size 22.4 x 6.7 cm (diameter) Material Recycled Stainless Steel Insulation Double Wall Temperature Retention Up to 20 hours Packaging Kraft Paper Box Best for The  CALYPSO PRO  is ideal for: Outdoor Enthusiasts:  Perfect for hiking, camping, or picnics. Travelers:  Great for keeping beverages at the right temperature during long trips. Office Workers:  Ideal for maintaining hydration throughout the workday. Eco-Conscious Consumers:  A thoughtful gift for those who prioritize sustainability. Fitness Buffs:  Perfect for gym-goers needing hydration before and after workouts.