<Indoor Balance Training Tool> Strengthen your core by balancing on one-tooth geta (wooden clogs). Targets the core muscles (center axis) that you don't usually use. Improves posture, leading to a more upright stance. Strengthens inner muscles, aiming for a beautiful posture and a body that is less prone to weight gain. Brand: Alphax Color: Combination of pink and wine red Materials: Fabric: Polyester, polyurethane Filling/Sole: EVA resin *Breathable mesh fabric. Suitable size: Approximately 22.5-25.0 cm I purchased this, but I only tried it on once. As it is stored at home, please refrain from purchasing if you are concerned. The box has some scratches. Regarding shipping, I will do my best to ship it as quickly as possible. I am closed on weekends and holidays, and will respond on the following weekday. Due to the above circumstances, I have set the shipping time to 4-7 days to allow for flexibility. Thank you for your understanding.