Set of 2 ✨️ Both have some signs of use, but I think they can still be used♪ [Product Features and Description] MTG's "Style SMART" pelvic support chair It features a unique curved design that guides you to the correct posture, reducing the burden on your lower back even when sitting for long periods. Smart design that can be used anywhere, such as in the living room, at a desk, or during study time ^_^ It's lightweight and easy to carry, and the solid material gives you peace of mind. [Recommended for people who] ✨ Spend a lot of time sitting and feel a strain on their lower back ✨ Want to improve their posture ✨ Want to easily care for their pelvis at home ✨ Are looking for a stylish support chair Style Kids Yellow Lime Green This is a set of two. This product has no noticeable scratches or stains. There are minor signs of use, scratches, and stains, but they are not noticeable. Please note that there may be parts that are not visible in the photos. If you have any concerns, please feel free to comment♪ ◆ Source of Purchase ◆ A major recycling shop that handles brand-name products ※ Member of the Association Against Counterfeit Product Distribution (AACD) I have never used this product since I purchased it. Please understand that I do not know the usage situation of the previous owner.