Your On-The-Go 2 in 1 Stroller can also carry your little traveler's car seat! 
These adapters are designed to be used with the unilove On-The-Go 2 in 1 Stroller only. 
Available in two versions: Graco SnugRide adapter and Nuna Pipa adaptor
*Nuna Pipa adapter is also compatible with Maxi-Cosi Mico and Cybex Cloud Q infant car seats