Designed to offer optimum safety performance, comfort and convenience, the Oyster Duofix is an Isofix base that is compliant with the latest regulations in European car seat safety (i-Size ? ECE R129). As an Isofix base offering click ?n? go convenience, the Duofix is easy to install and employs a red to green notification system to ensure a secure fit. For stability, the base has an adjustable leg, which can be folded in for storage as well as a rebound bar which is designed to prevent upward movement and excessive pivoting in the event of an accident.