Item Type: YoyoProduct Material: Aluminum alloyProduct Size: Approx. 5.5 x 5.5 x 4cm / 2.2 x 2.2 x 1.6inPackage List1 x Yoyo3 x String1 x Glove1 x Instruction manual1ADVANTAGES: It is one of the best premium unresponsive yo yos with powerful rotation, excellent stability, and great performance ability. 2HIGH PERFORMANCE: Premium unresponsive yo yo has a stable and balanced high speed program. Super smooth sandblasting treatment, the surface never fades and is not easily scratched. 3ALUMINUM ALLOY: Aluminum metal yo yo, metal ball shell and stainless steel bearings to enhance the shock resistance and fall resistance of aluminum yo yo. 4TRAINING ABILITY: Advanced play requires constant training. Training unresponsive yo yo can exercise one's physical coordination, develop children's perseverance and patience, and improve communication skills. 5IDEAL GIFT: This alloy yo yo is very professional and is the perfect gift for kids, family and friends. Recommended for children's daily practice or competition use.