*Returns not accepted on any opened, used, or defective product. Contact manufacturer directly for further defective products/parts. From Wonderfold, this adapter features: The perfect, easy-to-install car seat adapter that offers 360-degree rotation! Exclusively designed and safety tested to fit the following infant car seats: Nuna, Cybex, Maxi-Cosi, and Cybex Compatible with WonderFold W2 Elite/Luxe and all W4 Stroller Wagons Attaches to one side of the stroller wagon, leaving the other side open for a seat or bench seat Both bench seats can be removed to accommodate two car seat adapters for W4 models only The adapter can rotate 360º at 90º intervals, allowing the car seat to face four directions Easy to install and folds with the stroller wagon Safety strap for added safety and stability Two car seat adapters may be installed on W4 models. Only one car seat adapter may be installed on W2 models Compatible with Nuna, Cybex, and Maxi-Cosi & NOW compatible with Clek car seats Not compatible with: Stokke Pipa by Nuna, Nuna PIPA rx, Cloud Q by Cybex Not fully compatible with the rotating feature: Maxi Cosi Mico 12 ATTENTION: All car seat models manufactured before 2024 have been compatibility tested with our car seat adapter. We cannot guarantee compatibility for car seat models from 2024 onwards. Imported.