Stansport Stainless Steel Flask - Ordinary adventures call for a strong drink, but serious adventures call for many strong drinks for everyone! Don't be fooled by the whimsical appearance - we've used stainless steel construction that is serious about keeping your favorite beverage fresh, and not imparting off-flavors and odors. Even though our flask is huge, we added small, thoughtful features like a hinged cap that always stays attached. Party on, outdoor adventurer! Features Stainless Steel Construction Hinged cap always stays attached.