Plastic Imported The newly designed adapter links allow the Primo Viaggio 4-35, Primo Viaggio 4-35 Nido and Primo Viaggio 4-35 Lounge car seats to fit on UppaBaby CRUZ ( all models) and VISTA (models 2015 and newer) Compatible with Primo Viaggio 4-35, Primo Viaggio 4-35 Nido & Primo Viaggio 4-35 Lounge car seats manufactured after January 2018 Quick and stress-free installation of applying the one time adapter links on your Primo Viaggio 4-35, Primo Viaggio 4-35 Nido or Primo Viaggio 4-35 Lounge car seats Very easy to use with the “stay on” feature, never having to remove the adapter links once they are installed, when used on stroller or attached to the car seat base Very easy to use with the “stay on” feature, never having to remove the adapter links once they are installed, when used on stroller or attached to the car seat base 0027 adapter is its’ newly designed replacement. The 0027 adapter is compatible with all the same products as the 0022.