Sunflower Yellow Thermal Insulated Steel Bottles | CraftslaneMake a statement with Craftslane's Ultra Cool Thermal Insulated Steel Bottles, the easiest way to enjoy your favorite beverages all day long. The ergonomic design, and practical 500 ml capacity make them easy to carry, refill, and keep you hydrated all day. A double walled vacuum insulation ensures that your beverages stay hot or cold for many hours. Be it at Yoga, in the Office or at the Gym, these Ultra Cool Sunflower Yellow Steel Bottles with a