Eco Vessel Summit Insulated Stainless Steel Water Bottle with Flip Straw TRIPLE INSULATION FOR SUPERIOR PERFORMANCE - Our premium 18/8 stainless steel bottle features our vacuum TriMax triple insulation technology and has been tested to keep liquids cold for 36 hours and hot for up to 8 hours; the perfect way to stay hydrated throughout the day REUSABLE ON THE GO - The Summit is a user friendly bottle for anyone who wants to convenience of one handed, tilt-free drinking. Enjoy excellent performance at the gym, gold course, on the trails or just around town MORE COMPACT AND EASIER TO CARRY - We have updated its shape so it is more compact and even easier to take along to the health club, on outdoor activities, to work or just about anywhere. The top features and integrated carrying handle for a comfortable grip AVAILABLE WITH INTERCHANGEABLE TOPS - Comes with a flip silicone straw top for no tilt drinking; an easy and convenient way to stay hydrated. Mix and match top colors to fit your style. Flip staw top can also be interchanged with the Boulder style top, which features a wider mouth for filling and smaller spout for drinking CONTAINS NO HARMFUL CHEMICALS AND IS EASY TO CLEAN - We care about your health so our bottles are made of premium stainless steel and contain No BPA, no phthalates, and no liners. Our food grade silicone spouts and straws are removable for cleaning and replacement; hand wash; recyclabe