Pioneer vacuum soup flasks, the perfect travel companion to enjoy hot lunches on-the-go. The Pioneer Vacuum Insulated Soup Flask is the ultimate, portable solution for keeping your soups, stews and other hot foods warm for up to 8 hours!. Constructed from durable, double wall 18/10 stainless steel, this flask expertly retains temperature control, perfect for a hiking adventure, or just the daily commute to work!. Features: Expert Heat Retention: Advanced double-wall construction ensures you won’t need to reheat your lunch on-the-go. Enjoy hot food for up to 8 hours, and cold food up to 24 hours!. Durable Construction: Crafted from robust 18/10 stainless steel, this soup flask remains sturdy as well as rust-resistant for many future adventures ahead Leakproof: Never worry about spills again. With a secure leakproof screw top lid, your food remains safely in the flask no matter where you are!.