5 Pcs Sports Referee Plastic Assorted Color Whistle w String Color: Pink, Green, Yellow, Blue, Red Material: Plastic & Nylon Strap Girth: 60cm/ 23.6" Each Size: 3.7 x 1.5 x 2cm/ 1.4" x 0.6" x 0.8" (L*W*H) Package: 5 x Referee Type Whistles