iSafe Car Seat Buying Guide: All iSafe Carseats Conform To The European Safety Standards Ece R44.03. Or R44.04 All iSafe Carseats Are Isofix Compatible. Isafe Group 1 Isofix Forward Facing The Isafe Isofix Car Seats Group 1 Are Suitable From 9 Months Or 9kg Upt 18 Months Or 4 Years. Unrivalled Safety With 3 Secure Fitting Points, • ISOFIX • Top Tether • Car's Seat Belt (All 3 combined Makes The iSafe Carseat One Of The Very Safests In Its Class)