Description 100%New and in high quality Material:aluminum alloy Color: AS shown Size:56*16mm Double tubes emergency whistle can provide up to 120 decibels, enough to be heard at long distance. The Whistle is little and lightweight, with a key ring that can be hung on a strap or keychain. Not only suitable for emergency situation in camping,hiking,trekking,cycling,hunting,boating and other outdoor activities, but also referee, lifeguard, pet dog training, school sports, competition, etc. Note Due to different producing batches, product details might be a little different. If you minding the difference, please buy it carefully. Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not reflect the actual color of the item. Thanksfor your understanding. Package includes: 2 pcs Survival Whistle