Size 1 for children up to 6 years for safe toilet usage secure with 4-point belt easy to assemble with expanding wedge, backrest and armrests skin-friendly material Max. weight limit: 50 kg Seat depth: 29 cm (22.5 cm to expanding wedge) Seat width: 27 cm Width/depth/ height: 36 / 29 / 43 cm Backrest height: 39,5 cm Opening dimensions: 14 x 18 cm Colour: blue