EcoVessel Tritan Ultra Lite Filtration Water Bottle with Straw Top and 100 Gallon Filter, 17 Ounces, Clean Green FILTRATION WITHOUT THE WEIGHT - The Ultra Lite is made of Eastman Tritan material that is strong, impact resistant, and safe. Get all the benefits of excellent filtration in a lightweight, long lasting bottle PORTABLE WATER FILTRATION - The Ultra Lite Tritan features an activated coconut shell carbon water filter which is effective for 100 gallons of water or about 550 refills. This is an excellent portable water filtraton option for those who want a compact option whenever you want clean, good tasting water HIGH PERFORMANCE - Eastman Tritan material and filtration makes this EcoVessel bottle the best choice you can make. Filter improves taste by reducing chemicals, heavy metals, and chlorine, and removes over 99.9% of parasites that are the most common causes of waterbone illness NO HASSLE DRINKING - Prevents hassles with an easy flip silicone straw spout for tilt free drinking; just flip and sip. All of our adult spouts and inner straws are made of food grade silicone and meet both FDA and European standards YOUR GO TO BPA FREE BOTTLE - BPA, BPS, and phthalates free, EcoVessel is a combination of high performance, environmental consciousness, and sleek design; there is no better bottle for camping, travel, hiking and everyday enjoyment. Enjoy filtered water anytime, anywhere