The Ultimate Travel Booster Car Seat: Unlock the convenience of the USA’s Original backless inflatable booster seat. BubbleBum is the only inflatable childrens booster seat for your car with a patented system to guarantee stability and comfort on every journey. | Safety You Can Count On: BubbleBums patented ComfortMax technology exceeds all US federal car safety standards (FMVSS213) for booster car seats 40 lbs and up to 100 lbs. Your car booster seat comes with a seat belt positioning clip for optimal seat belt fit and comfort. | Take Anywhere Travel Car Seat: Your inflatable carseat is perfect for everyday use, car rentals, taxis, vacations and carpooling. Take your new backless booster seat on all your school trips and adventures. Perfect for your little toddlers, girls and boys aged 4 to 11 years old. | Easy Installation: Simply blow into the air valve until the BubbleBum is fully inflated, or until you can no longer inflate it by mouth. Twist the valve to close tightly, and place BubbleBum on your car seat. Width 12 Inches, Length 12 Inches, Depth 4 Inches. | Global Award Winner: BubbleBum has won the ‘Mom's Best Award,’ and the ‘Parent Tested Parent Approved' award, plus dozens more. Ask our millions of happy car seat customers how much they trust the BubbleBum name. Your Bubblebum Car Booster Seat also comes with a lifetime guarantee.