Gymnic Movin' Sit Junior Wedge CushionSpecialised seating to improve focus and engagement during learning or seated tasks. Movin Sit inflatable wedge cushion is designed for children to maintain proper posture through dynamic sitting. Consequently, kids awareness and focus during learning time is impacted. The Movin Sit wedge cushion fits perfectly in the small chairs of pre schools and primary schools. Adjust the amount of inflation to increase decrease the amount of stability of the