This luxury seat liner has been specially developed to be compatible with the surf44 the pioneer and the wayfarer pushchair seats the ergonomically designed seat pad fits effortlessly into the stroller seat44 and the 5 point safety harness fits neatly through the reinforced strap apertures to ensure your child is safe and secure the seat liner is deep padded and wonderfully comfortable with great looking details44 and its also fully reversible44 so you can change it around to suit