The BOULDER vacuum insulated water bottle is EcoVessel's flagship bottle that will keep your drinks hot or cold all day long. Made from premium 18/8 stainless steel, it features EcoVessel's signature TriMax® triple insulation and keeps drinks cold up to 60 hours and hot up to 12 hours. The Reflecta™ lid is insulated and lined with stainless steel, enhancing temperature retention and preventing drinks from ever touching plastic. This dual opening lid is easy to grip, has a wide mouth for easy filling, and a soft silicone spout for a comfortable drinking experience. The lid is securely attached to a sturdy carrying strap, so you always know where it is, and the leakproof seal keeps your drinks in the bottle - where they belong. The BOULDER stainless steel water bottle also includes a removable strainer for tea, fruit, and ice cubes. The fitted silicone bumper adds protection against everyday drops. Keep the BOULDER in your car cup holder or toss it into a tote and bring it to the gym, on the trails, or to work to stay healthily hydrated through the day. TriMax Triple Insulation Technology keeps drinks cold & fresh for extended periods of time Premium 18/8 stainless steel Leak-proof Reflecta™ Insulated Lid ensures that drinks don't touch plastic BPA Free, BPS Free, and Phthalate Free Tea, fruit, & ice strainer to infuse your drinks with flavour and block ice Dual opening lid features a wide mouth for easy filling and a small mouth for drinking Protective silicone bumper protects the base of your bottle from dents Silicone lip for drinking comfort Sturdy, flexible strap Fits in most cupholders 20 oz/ 591 ml