Feature:1. Premium: Our aluminum alloy yoyo ball is one of the best premium unresponsive yoyos with great spin, great stability and great performance on the string.2. Shock Resistance: Metal yoyos have aluminum alloy shells and bearings, which enhance the shock resistance and drop resistance of aluminum yoyos.3. Material: Our yoyo is made of aluminum alloy, it has a stable and balanced high speed program. The ultra glossy sandblasted surface never fades and won't get scratched easily.4. Training: You need constant training if you want to play all kinds of tricks. Advanced yoyo training can exercise people's physical coordination ability, cultivate children's perseverance and patience.5. Bind Return: Yoyo ball comes with an unresponsive concaved bearing. You will need to learn a trick called a bind to bring the yoyo back. It is recommended to learn more yoyo tips on the Internet.Specification:Item Type: YoyoMaterial: Aluminum alloySize: Approx. 5.5 x 5.5 x 4cm or 2.2 x 2.2 x 1.6in.Package List:1 x Yoyo3 x Strings1 x Glove1 x Manual