Popular balance chair "Proportion Chair" from Miyatake Seisakusho. This is a set with an auxiliary cushion for the standard model. This chair is perfect for posture support and improved concentration. 【Condition】 It is in a clean condition with some signs of use. Please check the condition in the photos. ＜ Size and Specifications ＞ Width: 48.5cm × Depth: 61～68cm × Height: 43～64cm (Seat height adjustable) Material: Natural wood (lacquer coating), plywood, urethane, polyester With front and rear casters, assembly required (approx. 20 minutes) With auxiliary cushion (just place it on: no Velcro receiver processing 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 just by placing the auxiliary cushion Comfortable for adults Suitable for children to adults You can adjust the seat height and depth to suit your posture It will be wrapped in bubble wrap and shipped in an assembled state. It has been cleaned, so you can use it immediately upon arrival. Notes Used item, so there are signs of use. There are no major scratches or damage, but please refrain from purchasing if you are sensitive to such things. The auxiliary cushion cannot be fixed to the main body. It is for use by simply placing it on. -------------------------------------------------- ✔ Immediate purchase (purchase without comment) is welcome. ✔ No pets, no smokers. ✔ Cleaned and disinfected. ✔ Free shipping. ※ All items in the photos are included. ※ Please be sure to contact us before evaluating the item for any initial defects. We will respond sincerely. Please be careful as returns are not possible after the evaluation. This is a used item, so please understand and purchase after carefully viewing the photos and making your own judgment. If you have any questions, please contact us before purchasing. If there are any problems, Please let us know before evaluation. We will respond quickly m(_ _)m