Zippie Voyage stroller
Seat is 10″w x 12″ D
18″ back height
Head rest, lateral truck supports

The Zippie Voyage® is a lightweight highly adjustable early intervention stroller. In addition to adjustable tilt and recline, the Voyage also features adjustable head supports, upper body supports and positioning straps

Rearward (Posterior) Tilt & Recline
Improves positioning to assist with feeding, digestion, respiratory function, and visual orientation. Posterior tilt range of 0° to -30°.
Forward (Anterior) Tilt
Assists with positioning to encourage healthy development such as bringing hands to the mouth, reaching for objects, or engaging in activities. Anterior tilt range of 0° to +5°.
Height- & Angle-Adjustable Footrest
Grows with your child and adjusts for various needs throughout the day.

https://www.sunrisemedical.com/manual-wheelchairs/zippie/early-intervention-strollers/voyage