KOI by YoYoFriends is a premium 7068 Al performance yoyo with an organic shape, built for flow, feel, and everyday play. It offers a relaxed throw with excellent power and acceleration for advanced tricks. Designed to be your daily throw, KOI delivers a fun and pleasant experience in any setting. Specs: Diameter 56mmWidth 44mmWeight 65.8 grams Material 7068-T6Gap width 4.4mmAxle M4*10mmBearing Center Track Note: This is an unresponsive yoyo that requires a bind return Official description KOI showcases a different side of yoyofriends by focusing on flow and feel. It has an overall organic shape that still packs performance. KOI has an optimized center/rim weight distribution to give a relaxed experience when throwing normally. It also has optimized power and acceleration to handle all the tricks when pushed. KOI is the everyday carry that gives users a fun and pleasant experience no matter the situation. Moon Rock White used a unique anodizing way which is different from common anodizing. Through the chemical processing, its anodizing film is more premium than general anodizing film, its corrosion resistance is better as well. The making time is more twice as usual. At the same time, Moonrock white appears more matte and has tactile appeal than common blasting.