Back Joy Posture+* Color: Pink Shape: Open-hole design Use: Posture correction Material: Plastic Features: Lightweight, portable Brand: BackJoy ◆ Backjoy, a pelvic support seat, uses a unique, internationally patented form to leverage the pelvis, bringing it to a position that minimizes strain. The spine naturally forms an S-curve, and sitting with correct posture reduces the burden on internal organs, supporting various activities such as work and study. Recommended for lower back pain and posture improvement. ◆ Usage Tips Sit on the Backjoy and pull the handle towards you until the triangular hole is visible between your legs. The key is to ensure the area around your tailbone fits snugly, without any gap at the back of your buttocks. Shipping included ✩ Purchase of 2 or more thick items will definitely get you a discount of 300 yen or more! Small items, miscellaneous goods, cosmetics, children's clothing, mix and match freely. Feel free to inquire about items for autumn/winter, spring/summer, etc. ( *´﹀`* )