The Serendipio Binary Stainless Steel Vacuum Flask is a must-have for anyone who enjoys hot or cold drinks while on the move. With a capacity of 500ml, this flask is perfect for storing your favorite beverages. The stainless steel construction ensures durability and longevity, while the vacuum insulation technology keeps your drinks at the desired temperature for hours. Whether you're heading to work, the gym, or on a weekend adventure, the Serendipio Binary Flask is the perfect companion to keep you hydrated and refreshed throughout the day.