Considerably Adjustable Design: the frame of the basketball training glasses is about 8.5 x 2 inches, and the strap can be adjust from about 13 to 24 inches, suitable for diverse kinds of head circumstance, not too tight or too loose, and hard to fall off, bringing you a nice and different experience Ample Quantity to Apply: you will receive 9 pieces of basketball goggles in black color; The quantity is sufficient for you to use and replace, and can easily meet your daily use and other requirements Improving the Ball Handling Ability: our basketball glasses for dribbling are practical helpers, for keeping the trainers do not look down when exercise the ball handling, improving their ball handling skill, convenient and effective Serviceable and Reliable: the basketball dribble glasses are made of quality plastic and polyester, reliable and sustained, not easy to deform or break, and can be kept for a long time; The glasses have no lenses, do not need to worry about being broken, and the surfaces are smooth and comfortable to touch, easy for you to wear Assorted Occasions to Use: the basketball dribble training equipment is not only suitable for playing basketball, but also ideal for playing football, tennis and other diverse kinds of sports, bringing you more fun and happiness