Dog Whistle Training Set by PetCore | Multi Range Frequency with Adjustable Lock | Includes Sturdy Woven Lanyard, Attachable Doggie Waste Bag Dispenser, 15 Bags & Instructions Training Made Easy: With this compact whistle, you can quickly train your dog to stop barking, obey commands & more. The ultrasonic sound is barely audible to you but clear & distinct for your pooch. Adjustable for Your Dog: In no time, you can find the precise pitch your pet responds to. Use the lock nut & snap-on cap to secure that setting, and you'll never again have to fiddle with frequencies! Attached Lanyard for Convenience: Unlike most dog whistles, ours comes with its own durable woven lanyard. Wear it around your neck - or clip to purse or backpack - to keep your whistle safe & handy. Easily Deal with Accidents: Each set includes a cute, bone-shape dispenser with 15 doggie-waste bags. Simply attach to your leash & pull out a bag when you need it. Perfect for walks & the dog park! Full Instructions & Guarantee: Your PetCore Whistle comes with detailed instructions for whistle-training your dog. Best of all, it's guaranteed to work or your money back.