ABS; Whistle for teachers--special design and it is in fine craftsmanship, it is the replacement for your old, broken one, plastic whistles; Ring whistle--whistle is also a nice abs craft, delicate design, thus you can suspend it on anywhere you want, football whistle; Safety whistle--whistle can be a great friends and family, they will be happy, volleyball referee equipment; Sports whistle-- workmanship, reasonable structure, professional and practical, can bring you convenience, emergency whistle; Loud whistle--makes and durable whistle ensures loud crisp and higher tones, volume, blow vigorously, sports whistles with ring

What's in the box
4 x Whistles