.top{margin-bottom:30px;}.top li{margin-left:5%;margin-right:5%;margin-top:10px;line-height:120%;list-style-position:outside;}The all-new Purist Insulated features our Chromatek(TM) liner-a proprietary insulating barrier that lines the core to keep your liquids cold. Not only do your liquids stay cold, but new squeezable materials allow for unmatched flexibility, too.The Purist Insulated Chromatek Bottles still feature an amorphous silicon dioxide coating that's infused into the inner-wall of the bottle. Essentially, this forms a glass-like finish that provides a totally natural, and completely inert, solution to the problem of your drinks staining the bottle or leaving behind any residual aftertaste. This infusion also shields your fresh water from tasting like plastic on very hot days, making it akin to drinking straight from a sparkling clean glass.The updated Fixy cap retains no push or pull of the mouthpiece, just aim and squeeze. Leak free Heart Valve(TM) with ergonomic mouthpiece design provides better mouthfeel. Redesigned grip pattern for a modernized look and ease of use.BPA-Free plastic is made from 100% FDA food- grade materials, and it's printed with non-solvent base (UV Cured), CPSC-approved ink and materials.Chromatek(TM) liner keeps your liquids cold.Easy-to-clean mouthpieceNo push or pull is required to open and close the Heart ValveTM.Purist infusion shields the bottle from odor, stains, and mold to keep your water pure and your bottle clean.Redesigned grip pattern for a modernized look and ease of use.Self-sealing Heart Valve(TM) delivers a high rate of flow with a 100% leak-proof design.Updated materials make for unmatched squeezability.