• DURABLE, DOUBLE-WALLED, VACUUM-INSULATED 18/8 STAINLESS STEEL BOTTLE KEEPS DRINKS COLD UP TO 50 HOURS OR HOT UP TO 19 HOURS • WIDE-MOUTH TOP HAS A TEXTURED GRIP THAT CAN BE EASILY OPENED EVEN WITH GLOVES ON • EXCLUSIVE, PATENT-PENDING DESIGN GRIPS TABLETOPS AND OTHER SURFACES AND REDUCES CLANKING • BOLTED-ON COLLAR STAYS PUT FOR EASY CARRYING • 100% BPA-FREE FOR PEACE OF MIND