Rhode Island Heart 20 oz Tumbler | Light Purple polar-pint16 The app is calculated daily

The app is calculated daily to give you the most accurate hydration level whether you're traveling

Clinically proven accuracy within 3% of manual readings through Mayo Clinic trials

Synthetic cork base

TempShield(TM) insulation eliminates condensation and keeps beverages cold up to 24 hours and hot up to 12 hours

these water bottles feature double wall construction with an extra interior copper layer for superior performance

Rhode Island Heart 20 oz Tumbler | Light Purple polar-pint16 The app is calculated dailyDouble Wall Vacuum Insulated superior temperature retention Sweat Free exterior won't sweat Narrow Design to fit most cup holders Ring Grip easier to hold on to Includes sliding lid