Coreforce Loop Lapis Lazuli 70cm Authentic, Retail Price: ¥50,600 Price increased from May Comes with a warranty and membership card, so you can rest assured. Many active professional golfers and professional baseball players use this product. For middle and high school athletes who cannot wear it around their neck or arms during practice or games, the effect can be achieved by putting it in a small Ziploc bag and placing it in their uniform. This Coreforce product is effective within 3cm of the body. Opened once for photography. Immediate purchase is OK! Basically, we cannot reserve items. The first person to purchase will be given priority. If you need expedited shipping, please consult with us. (We may not be able to accommodate your request.) Thank you.