From their first ride home, your little one will be protected in their nest of comfort, providing you with the peace of mind you deserve as a new parent. - Recommended for children 4-30 lbs, and up to 32 inches. - Right Tight System that easily and securely locks the base in place for added stability with either the LATCH strap or the vehicle’s seat belt. - Full coverage protection with EPS & EPP foam. To provide increased protection and comfort throughout the shell and headrest. - Adjustable Side impact protection that easily adjusts to six different positions with no re-threading required. - Dual Stage Cushion System to provide proper head support and a snug seating position for newborns. - Harness retainer to stabilize harness clips, making them easier to locate when securing the baby in the seat. - The European Belt Path feature, allows the carrier to be securely installed in a vehicle without the base. Simply thread the safety belt through the European Belt Path system. The carry handle can be secured in the forwardmost position as an anti-rebound bar for additional protection when the seat is in use without the base. -Compatible with most Peg Perego Strollers. Use the Primo Viaggio with other brand-named strollers, with the purchase of adapters.