plastic; Outdoor hiking whistle: also can be a for your friends who like outdoor activity, they will like it, outdoor emergency whistle; Hiking whistle: apply to outdoor survival, self-protection, life-saving and collect, whistle with keyring; Emergency whistle: it can be given as a great your friends and families, they will be very happy, camping whistle; Survival whistle: this product is small, light, and easy to carry, can take it with you wherever you go, safety whistle; Plastic whistle: suitable for outdoor activities such as hiking, fishing, camping, boating, hunting and also for lifeguards, pet dog training, etc, outdoor whistle

What's in the box
5 x Emergency & Survival