GSI Boulder Flask

Your favorite beverage can now go anywhere and take any fall with the sleek bumper flask. The Boulder Flask holds 10 fl. oz., has a shatter-resistant body with bumper, and a hinged silicone cap making it impossible to misplace.

• Co-Polyester construction is lightweight and eco-friendly
• Shatter-resistant body and grippy, silicone bumper mean this flask goes anywhere
• Wide mouth makes for easy filling, pouring and drinking
• Hinged top with silicone grip is easy to open and impossible to misplace