Nuna RAVA Rear-Facing Installation. With a multi-functioning adjustable leg rest, a luxuriously soft Merino wool insert . The Prym is designed to be used from 40cm (birth) to 105cm/18.5kg (approx 4 years). Jakarta Utara Papamama Babyshop (1) Nuna EXEC All-In-One Convertible Car Seats; . $750.00. Nuna's preferred installation method is the vehicle seat belt as it eliminates confusion of when to switch from Lower Anchors to Vehicle Seat Belt, fits more vehicle makes, and fits more seating positions Simply Secure Installation is. Nuna_EXEC_User_Manual EXEC class travel All-in-one car seat easily converts Rear-facing convertible with seat belt: 5-50 lbs | with lower anchor belt: 5-35 lbs Forward-facing convertible with seat belt: 25-65 lbs | with lower anchor belt: 25-40 lbs Belt-positioning booster at least 4 years old | 40-120 lbs. SHOW DEAL Nuna Travel Cot Coupon Codes $92.99 Only Seize Portable Aluminum Sleeping Cot Bed For $92.99 $69.95.