Popular balance chair "Proportion Chair" by Miyatake Seisakusho Includes an auxiliary cushion set with the standard model. This chair is perfect for posture support and improved concentration. The cushion on the knee rest side has some fuzzing. ＜ Size & Specifications ＞ Width: 48.5cm × Depth: 61-68cm × Height: 43-64cm (Seat height adjustable) Materials: Natural wood (lacquer coating), plywood, urethane, polyester With front and rear casters, assembly required (approx. 20 minutes) Includes auxiliary cushion (simply place on top: no Velcro attachment on the main body) Cushion size: Width 46 × Depth 25.5 × Height 5.5cm Auxiliary cushion: Unified color scheme Reduces pressure on the back of the knees simply by placing the auxiliary cushion Comfortable for adults Suitable for children to adults You can adjust the seat height and depth to find the posture that suits you best. Will be shipped assembled and wrapped in bubble wrap. Cleaned and ready to use upon arrival. Notes: This is a used item, so there is a feeling of use. There are no major scratches or damage, but please refrain from purchasing if you are concerned about minor imperfections. The auxiliary cushion cannot be fixed to the main body. It is designed to be placed on top.