What you get: package includes 49 pieces of aluminum emergency whistle, don't worry about losing, enough for you to use in daily life, including 7 different colors, eye-catching and bright, easy to distinguish and find. Dimension: length of these loud whistles is 4.7 cm/ 1.85 inches, diameter of the these whistles is 0.9 cm/ 0.35 inches, suitable size for your use and storage. Matching key chain ring: each emergency whistle is equipped with a round key chain ring, compact and strong, elegant personality, can be hung on the key ring as an ornament, portable design, easy to carry around. Loud whistles: aluminum alloy outdoor survival whistle can make big and bright sound, which can be heard from a long distance, very useful for various emergency situations; When outdoor travel, you can confirm the direction for you, avoid getting lost, find companions, etc. Durable material: these emergency whistles uses aluminum alloy and metal keychain, durable and non-toxic material, not easy to break, fade or corrode, double anodized treatment.

Date First Available: June 14, 2020. Best Sellers Rank: #48,204 in Sports & Outdoors. Customer Reviews: 4.6 out of 5 stars 463 ratings 4.6 out of 5 stars. : B08B5TFFPW. Part Number: ?Sumind-Whistle Keychain-01. Manufacturer: ?Sumind. Brand Name: ?Sumind. Package Weight: ?0.21 Kilograms. Item Package Dimensions L x W x H: ?6.3 x 6.3 x 0.91 inches.