zonkie 1-Speed Bicycle Chain 122 Links

Quality: Stainless Steel Whistlesï¼ŒMade of durable stainless steel, never gilded, durable, suitable for competition in various environments
Easy to use: The separate design of the lanyards makes it easier to use, disassemble them for easy access and quick storage.
Adapt to the crowd: they are all necessary tools such as coaches, referees, physical education teachers, rest workers, lifeguards, etc
Packing: 35 packs
Scientific voiceï¼šWhistles with a pea are just easier to use,It's science! The pea affects the flow of air,Creating a loud shrill with less air pressure,Perfect if you're a little out of breath

Packing quantity: 35 pieces of stainless steel whistle with nylon lanyard.
Reliability: Made of high quality stainless steel for durability.
Unique sound: Excellent sound design, people will quickly find your voice when you whistle.
Easy to use: Each coach whistle comes with a detachable yellow lanyard that can be hung around your neck when you don't want to use it.
Wide range of uses: suitable for school sports training, football, basketball, football and other sports, suitable for referees, coaches or commanders
Packing quantity: 35 pieces of stainless steel whistle with nylon lanyard.
Reliability: Made of high quality stainless steel for durability.
Unique sound: Excellent sound design, people will quickly find your voice when you whistle.
Easy to use: Each coach whistle comes with a detachable yellow lanyard that can be hung around your neck when you don't want to use it.
Wide range of uses: suitable for school sports training, football, basketball, football and other sports, suitable for referees, coaches or commanders

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