ITEM NAME:Outdoor Survival Whistle Keychain Portable Brass Training Whistle (Flat) Product Description Description: Features: The overall use of high-quality brass (including copper rings), more durable. The design is novel, fashionable and compact, full of materials, exquisite craftsmanship, easy to carry. Usage: Outdoor survival, self-defense and life-saving. Specifications: Material: Brass Color: Gold Type: Flat Head Size: 50*10*10/1.97*0.39*0.39" Net weight: 20g Note: Please allow 1-3mm differs due to manual measurement. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Included: 1 x Whistle.Included: 1 x Whistle. Usage: Outdoor survival, self-defense and life-saving. The overall use of high-quality brass (including copper rings), more durable. Material: Brass. Type: Flat Head. If item is defective after 3 months, you can still send it back to us.