Britax Baby Safe Sleeper- (Birth-6 Mths) Specification.. The Baby-Safe Sleeper is a complete lie-flat system whether traveling by car or on wheels. A new travel solution which allows your baby to safely lie flat whilst traveling in the car and can also be used with compatible pushchairs to form a pram system Features: Roll cage feature maintains a protective zone around the baby in the extremes of an accident. Kinematics control restraint controls the displacement of the baby and limits the forces in the event of an accident. Adjustable backrest to enable your baby to be raised; with a mis-use preventor to ensure the backrest cannot be elevated in the car. Single hand attachment and release onto many Britax wheeled products, (compatible with the vigour+ 3 and 4 and the visio). Retractable hood stores neatly inside the carrycot when not required. Removable apron. Interior bedding and 3 point harness ensures baby travels soundly and safely. Removable and machine washable bedding interior. Dimensions: Group 0 carrycot suitable from birth - 6mths (0-10 kg). Requires 2 x 3 point seatbelts for installation. (H)90 x (W)43 x (D)30 cm