We took our best-selling BOULDER bottle and added features that make it better than ever! The Eco Vessel Boulder Insulated Water Bottle is our flagship thermal drinking vessel, keeping your drinks warm or cold all day long. Made from food grade 18/8 stainless steel and with our TriMax triple insulation technology. Vacuum insulated and tested to keep iced liquids cold for up to 40 hours and hot for up to 12 hours. The Boulder features a removable stainless steel strainer for food grade tea and fruit infusions. The strainer also works well as an ice dam to keep the ice in the bottle instead of in the teeth. The Boulder includes a multi-lid top with textured handle for easy opening and a wide opening for filling. It now has a new soft silicone lip for comfortable drinking and is interchangeable with our coffee and flip straws. The two-piece lid includes a built-in carrying strap and its secure leak-proof closure keeps your drink in the bottle where it belongs. The new protective silicone base provides extra protection. It is available in a variety of colors and styles in our durable powder coat finish or stainless steel. Your bottle won't sweat and fits most cup holders. Throw this insulated bottle in a shopping bag, take it to yoga or get on your way. Whether you're sitting at your desk or running errands around town, the Boulder will keep you hydrated