Easier Access - Patented shape slides in and out of cages and pockets easier. Improvement for all frame sizes and especially small frames. Compatible and sits securely in all standard cages.Self-Sealing Nozzle - Leave nozzle up while riding, without spills. High flowrate and precise modulation through silicone valve.Lightweight - 65g for EU standard size of 550ml / 18.5oz capacity. Up to 35% lighter. 1 bottle lasts 1hr for most riders.Sleek Shape - Visual harmony and motion, capturing the essence of cycling.Clean Look - No logos or graphics to scratch.Award Winner - Good Design and International Design Award winner.AntiMicrobial - Body and cap permanently fights mold, bacteria and odors. Will not wash off like coatings. BPA-free and phthalates-free (hormone disruptor-free.)3-Part Assembly - Easily pulls apart for thorough cleansing, if necessary. Top-rack dishwasher safe.