• Stainless Steel
• Hiking whistle:the little whistle is really deafening loud and can still be heard from a distance,sports whistle
• Whistle for teachers:manufactured with stainless steel material, which can be used for a long term, durable and reliable, whistle for daily use,teacher metal pendant
• Hiking camping whistle:designed with a lanyard, it is easy to carry, or only wear it around your neck,volleyball whistle
• Whistle decor:special design and it is in fine craftsmanship, it is the replacement for your old, broken one,soccer whistle
• Basketball whistle:stainless steel whistle is great for life saving, pe lesson, referees, coaches, training, teachers, survival, emergency, gym, etc,whistles for coaches