The Purist Insulated bottle features a Chromatek liner, a proprietary insulating barrier that lines the core to keep your liquids cold.

• The Purist Insulated bottle features a Chromatek liner, a proprietary insulating barrier that lines the core to keep your liquids cold.
• Squeezable materials allow for unmatched flexibility and comfort
• Purist technology shields the inside of the bottle from any bad taste, mold, or staining
• Chromatek liner insulates your liquids
• Volume: 23 fl oz