Material: Aluminum alloy Gap: 4.45mm(0.18in) Weight: 31.8g Recommend age:above 3 years old Package List:1Pcs Yoyo+5Pcs String (Random color)+1Pc Glove+1Pc Bearing Made from aluminium alloy, stable and balanced high speed routines. Anodizing surface treatment will never fade or get scratched. High precision bearings for smooth, quiet spinning. V shape design reduces the friction and makes the yo-yo spin longer. Comes with a glove, 5 strings, a bearing, and user manual. Perfect gift for your families and friends. Note: The strings are sent in random colors.