Circle Specialty | Pango Activity ChairCircle Specialty Pango Activity Classroom Chair Adjustable Seating for Posture and Comfort Promote comfort, confidence, and proper posture with the Circle Specialty Pango Activity Classroom Chair, available from Alto Med Supply. Designed by Circle Specialty for children with mild to moderate positioning needs, this adaptive chair offers exceptional support and adjustability for everyday classroom and home use. The Pango features a cushioned seat and