BEGINNER YOYO - The D1 is the best beginner yoyo, style string trick 2A. RESPONSIVE YOYO - The D1 is equipped with size E. While the yoyo spins, it returns to your hand with a gentle tug of the string. D1 - Responsive Yoyo D1 is perfect for beginners, kids, or adults. This lightweight and durable responsive yoyo is suitable for all ages. BEST GIFT - The beginner responsive yoyo can improve finger flexibility and responsiveness, as well as hand-eye coordination. It's a small yoyo that's easy to return. Bearing Diameter: 57.2mm Material: Plastic Color: Blue Package Contents: 1 * Yoyo 1 * Gloves 1 * Velvet Bag 5 * String (Random Color, does not accept specified color) Only the above package content is included, other products are not. Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3cm.