The pioneer combination harness-2-booster seat is an excellent choice for making travel with your growing child safe, comfortable and hassle-free. Our comprehensive safe cell impact protection surrounds your child in safety components that work together to protect well beyond the established federal safety standards. And complete side impact protection plus provides an advanced layer of protection with a protective shell and an energy-absorbing foam headrest designed to keep your child’s head and neck extra secure. Installation is made simple with easy-on/easy-off latch connectors that lock into place with an audible click and are easily released with the push of a button. The proper fit is essential when it comes to safety, so the pioneer includes our quick-adjust, 8-position harness and 2-position buckle to keep up with your growing child. Plush foam padding provides premium comfort at every touch point and the integrated cup holders and storage keep snacks, drinks and toys close at hand. There is even a simple front-adjust recline so your toddler can sleep in comfort when the time is right. The pioneer harness-2-booster seat can be used in harness mode for children 2 years old and 25 lbs. up to 70 lbs. or in booster mode for children 40 lbs. up to 110 lbs. When your child is ready for booster mode, the harness can be safely tucked away the within the seat to easily transition the pioneer into a high-back booster without any hassles. The pioneer harness-2-booster seat is designed to provide everything you need to feel confident that your growing child is safe and comfy when you are on the move.