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Anonymous Shipping, Disaster Prevention & Crime Prevention Whistle, Psycho, Glow-in-the-Dark, 4 pieces, Sanwa Seisakusho
Product Details
Glows in the dark with phosphorescent color.
Emits a sound at 3150Hz, said to be the most audible frequency for humans. When panicking, it can be difficult to exhale, but this whistle is excellent as it can produce sound with just a small breath. Recommended for the elderly and small children.
The scientific whistle sounds powerfully, announcing your presence and protecting your precious life.
The size is approximately 5 cm in length and 2 cm in width, including the strap hole. It is very small and lightweight.
If you wish to purchase a specific quantity, please leave a comment. (*′?`*)
Let's be prepared with something to protect our lives!
Thank you.
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.


