They have taken their best-selling Boulder bottle and added features that make it better than ever! This water bottle is their flagship thermal hydration vessel that will keep your beverages hot or cold all day long. Made from food-grade 18/8 stainless steel and featuring their signature TriMax® ® triple insulation technology, it’s vacuum insulated and tested to keep iced liquids cold for up to 40 hours and hot for up to 12 hours. The water bottle features a food-grade stainless steel removable strainer for tea and fruit infusion. The strainer will also work well as an ice dam to keep your ice in the bottle instead of your teeth. The water bottle includes a multi-lid top with textured grip for easy opening and a wide opening for filling. It now has a new soft silicone lip for comfortable drinking and is interchangeable with their coffee and flip straw tops. The two-piece lid includes an integrated carrying strap and its secure leak-proof seal will keep your drink inside the bottle where it belongs. The new protective silicone base great new feature offering added protection. Your bottle won't sweat and will fit most cup holders. Toss this insulated bottle in a tote bag, bring to yoga or hit the trails. Whether you are at your desk or running errands around town, the water bottle will keep you hydrated.