BACKREST ANGLE CAN BE ADJUSTED WITH JUST ONE HAND AND LOCKED BY DUAL - LOCK DESIGN -3months (neck muscle developed)- pls use reclining angle -6months (back muscle developed) onwards - can be use upright angle OPEN GUARD can be detached with just one hand for easy seating of baby. equipped with tiny toys for baby to play with WIDE SEAT BASE just-fit seat base designed according to baby's body shape and protects the baby from slipping forward.