The BeSafe iZi Twist i-Size is a rotation seat for toddlers that is equipped with 2 layers of safety for newborns: » built-in SIP (Side Impact Protection) in the seat shell » SIP+ (addtl. Side Impact Protection) that can be attached to either side of the seat and absorbs up to an additional 20% of the forces on the child’s head and neck in a side impact The iZi Twist i-Size embodies BeSafe’s vision of rear facing travel by being rear facing only and allows your child to travel 5x safer rear facing up to 105 cm/max. 18 kg. It is approved to the latest safety regulation UN R129 (i-Size) and has passed the world’s toughest crash test: the Swedish Plus Test.