Seat depth:;30 cm / 11.8" (43 cm / 16.9" with seat depth extension);Seat width:;front27 cm / 11.4" | rear 24 cm / 9.4" (20 cm / 7.9" with seat wedge, inside);Back height:;60 – 77 cm / 23.6 – 30.3";Shoulder height (child):;33 – 48 cm / 13 - 18.9";Lower leg length (footrest mounted on swivel plate):;23 - 42 cm / 9.1 - 16.5";Overall dimensions (w x h x d):;54 x 66 x 42 cm / 21.3 x 26 x 16.5";Weight of seat approx.:;7 kg / 15.4 lbs;Carrying capacity:;15 - 50kg / 33 - 110 lbs;Children height:;94 - 150 cm / 37 - 59";Suitable for users:;Level III-V GMFCS