Rich in Quantity: there are 48 pieces of whistles with lanyards with 3 different colors, red, blue and black, 16 pieces of each color, and the adequate amount and various colors can meet your daily use and replacement demands Loud Whistle: the sports whistle with good sonority, crisp and loud, doesn't use a pea as the core, which can be blown easily, and its volume and pitch can be controlled In addition, the coach whistle can be applied in many occasions to attract others' attention Easy to Hang: there is a lanyard fixed at the top of each basketball whistle, which makes it simple and convenient to hang the sports whistle on your neck for use or hang it on walls for storage Compact and Portable: the referee whistle measures . 1.77 x 0.78 x 0.67 inches, weighting about 9 g or 0.31 oz, compact and , with the lanyard measuring about 48 cm or 18.9 inches in length, which is long enough to hang at some places you want and portable with saving space Long Serving Time: the lifeguard whistle is made of quality plastic, sturdy and serviceable, safe and odorless, and the lanyard is made of nylon, which is reusable and not easy to deform or break for long term use Material: plastic colour: blackandblueandred Package Contents: 48 x Plastic whistle Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.