This big volume double wall construction bottle will keep your drink cooler for longerEasy to squeeze with a high flow, self sealing cap that cuts out splatters and spillsTaste the water not the bottle with TruTaste Polypropylene with Hydroguard. Easy to clean and all parts can be taken apart for thorough cleaning. You can use this bottle to keep beverages warm as well as cool._100% free of BPA, BPS and BPFPositive lock out for leak proof transport