From Bugaboo, this seat liner features: Provides extra padding for your baby's seat Fully reversible for comfort in all seasons 3D mesh ensures optimal airflow Antibacterial fabric prevents up to 90% of bacterial growth Cooldry® fabric wicks away moisture and helps regulate temperature Easy to clean and machine-washable Fits on all Bugaboo strollers (except Bugaboo Ant) Polyester/polyurethane foam Imported.