MOFLO CAP Soft poppet that is easy to open and close. Simple one handed operation. Engineered to be completely leak proof in use. Easy grip screw top and wide opening for filling and washing. Readily accomodates standard sized ice cubes. PURIST BOTTLE TECHNOLOGY Silica infused interior wall for glass like performance. Nothing sticks, so the bottle stays clean and your water always tastes pure. CLEAR VIEW STRIP Wide, translucent, full height window. Know exactly how much water is left in your bottle. BPA FREE , recyclable LDPE plastic. Each bottle measures 8 14 inch tall, 3 inch in diameter, and weighs 78 grams. Fits in all standard sized bicycle water bottle cages. Limited edition, custom matched pair. Made in California, USA