Whistle keychian, Apply to outdoor survival, self- protection, life- saving and collect, providing help for you. The whistle ensures loud crisp and higher tones, good volume, blow vigorously. Whistle keychian, Made of high grade material, this whistle is sturdy and durable. Not easy to deform and rust. Whistle keychian, lightweight for easy and convenient to carry and store. Convenient and practical. Whistle keychian, With compass, flashlight, keychain design, convenient for outdoor survival use. Delivery Quantity: 2pcs Package Contents: Only the above package contents, excluding other products. Size: 9.5*1.4cm (Manual measurement, please allow 1-2 cm measurement error) color: red (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)