Double Wall Insulation: Keeps Beverages At Ideal Temperatures For Hours | | Leakproof When The Nozzle Is In The Closed Position; Not Recommended For Hot Or Carbonated Beverages. | | Bpa-Free And Dishwasher Safe On The Top Rack | | Cupholder Friendly: 10-18Oz Bottles Fit Most Cupholders. The Perfect Bottle For Every Paw Patrol Fan! | | Limited Patent Pending | |