These are Joie Versatrax car seat adapters, used to create a travel system by connecting a car seat to a stroller chassis. 9 months old. Lightly used
Joie Versatrax Car Seat Adapters Adaptors for Maxi Cosi & Joie Car Seats
Joie Finiti Car Seat Adapters for Maxi Cosi Car Seats & Calmi Cot
Joie Aeria Car Seat & Signature Ramble Calmi Carrycot Adapters
Joie Chrome DLX Car Seat Adapters for Joie i-Gemm - Cybex - Maxi Cosi
Venicci Tinum & Edge Car Seat Adaptors for Venicci/ Maxi Cosi/ Cybex Joie
