Features Made of aluminum alloy Durable and waterproof whistle keychain bulk, great for emergencies, survival, storm or disaster preparedness Sound can be heard from a long distance With a ring, can be used as keyring Small portable attachment on the bracelet, necklace, etc. Perfect tools for pet dog training, boating, marine fishing, security lifeguard, women, men, kids, etc. Comes in assorted random colorsVERY VERY LOUD - Don't let the size fool you. These whistles are extremely loud and will rival any expensive emergency whistles on the market. You can receive a pack of 8 whistles in assorted random colors. Perfect tools for pet dog training, boating, marine fishing, security lifeguard, women, men, kids, etc. STURDY & LIGHT - Made of high quality aluminum alloy-very sturdy but light. Put a whistle on your keys, your backpack or your gear bag and forget about it until you need it. Count on quality and safety or your money back. Each whistle is manufactured to very specific standards, inspected and disinfected before being packaged for delivery to you. QUALITY STANDARD - Our whistles are always made out of a strong aluminium alloy, and the painted surface goes through an oxidation process to prevent it from chipping and rubbing off.Best Sellers Rank: See Top 100 in Sports & Outdoors. Style: Modern. Brand: DDJYP. Closure Type: Pull On. Material: Aluminum. Color: Multicolor. : B07P8VDTVV. Manufacturer: Homer-wa. Date First Available: February 26, 2019. Department: unisex-adult. Item model number: ECY-WST-KCH01. Package Dimensions: 5.63 x 3.98 x 0.47 inches; 2.08 Ounces.