Sweat-Free Exterior: Double wall insulation prevents condensation and keeps beverages hot or cold for hours Comfortable Handle: Features an easy-to-grip handle for elevated comfort Leak-Proof: Includes a BPA-free Straw Lid that offers a tight seal to prevent spills and leaks, and is dishwasher safe on the top rack; Not recommended for hot or carbonated beverages Cupholder Friendly: 14-30oz bottles fit most cupholders Patent Pending