Thank you for viewing. This is a CORE FORCE (Core Force) in the popular blue color, 70cm. CORE FORCE is said to support core strength, balance, and performance, and is a popular accessory among users in golf, sports, and daily life. ✔ Swing stability ✔ Improved posture and balance awareness ✔ Simple design that is easy to use daily [Product Details] ・Brand: CORE FORCE (Core Force) ・Length: 70cm ・Color: Blue ・Condition: 中古 (Used - minor scratches from normal use / no major damage) ・Accessories: Dedicated bag (as shown in the photo) ・No warranty card or box. *Please check the photos for the condition. *Please purchase only if you understand that this is a used item. Instant purchase is OK. No claims and no returns. I received this from an acquaintance who works at the CORE FORCE manufacturer. Thank you.