These cleverly designed adaptors facilitate the use of the britax baby safe plus shr car seat with the abc design cobra mamba or the zoom tandem allowing parents to mix well known brands and bespoke a travel system suitable to their individual needs the adaptors attach and remove easily and can be left on while using the seat in the car compatible with the britax baby safe plus shr suitable for use with abc design cobra mamba or zoom tandem easily attached and removed can leave adaptors o