The EcoVessel® 20 oz. Boulder 18/8 Stainless Steel Water Bottle is ideal for daily use in all seasons as its double wall vacuum insulated construction with copper lining will keep your drink cold up to 60 hours and hot up to 12 hours. The Boulder bottle features a dual opening lid with stainless steel lining for better temperature retention and preventing drinks from ever touching plastic. The threaded top cap has a silicone grip for easy opening and is securely attached to the bottle with a sturdy carrying strap for easy traveling. The drinking spout features a soft silicone lip for a comfortable drinking experience and the removable steel strainer inside the bottle is good for tea leaves, fruit, and ice cubes. It also features a removable protective silicone base cap to prevent scratches on the bottle and tabletops. Through their partnership with 1% for the Planet, EcoVessel donates a minimum of 1% of all sales to various environmental nonprofits. FDA compliant and BPA Free.