7 * 2.8 * 0.7cm

New 2 Emergency Survival Whistles Rescue Tool Signal Sound Outdoor Camping Hiking With 3 different frequency voices. Lightweight and easy to carry with a keychain. Simple to use with a long life span. Suitable for outdoor activities like camping, hiking, hunting, adventures, etc. A necessary equipment for outside help. Material: Plastic Size: 7 * 2.8 * 0.7cm / 2.8 * 1.1 * 0.3in Weight: 9g / 0.3oz Package : 2 Survival Whistle