Sustainable and lightweight: Made from 90% recycled stainless steel, ultra lightweight and ideal for on the go - perfect for everyday use, sports and travel. 100% leak-proof: the flip sport cap with flip closure ensures safe transport, even with carbonated drinks. FLEXIBLE DRINKING EXPERIENCE - With built-in stainless steel straw or directly from the opening for individual convenience. Practical in everyday life: large opening makes it easy to fill, clean and fill ice cubes for refreshing drinks. STRONG AND DURABLE: High quality powder coating protects against wear and tear and provides a lasting appealing look.