R999 is for a full period of five months. Rent Chicco Auto-Fix Infant Car Seat (Isofix) for your next holiday or a new baby. We also hire out the Chicco base that is compatible with the seat. P.S. The booking system will only accept dates that reflect 150 to 152 days, in other words, a full 5 months is needed. Do not choose fewer days. If you need a shorter period contact us. Scroll down for a video, features & compatibility.