2 Pieces Survival Safety Whistle Wrist Coil Emergency Scuba Diving Red

Description:

Lightweight, waterproof and durable
Easy to blow and cannot be overblown
Dual-chamber, easier to emit a shrill, high-pitched sound
loud, enough to be heard at long distances
Great for outdoor camping, hiking, hunting, boating, kayaking, canoeing, diving, training dog and referee use etc

Specification:

Material: ABS plastic + TPU coil
Color: you can choose
Whistle Size: approx. 4 x 2 x 2 cm / 1.6 x 0.8 x 0.8 inch
Wrist Coil Diameter: approx. 2.5 mm / 0.1 inch
Wrist Coil Length: approx. 50 cm / 19.7 inch (stretched)

Package Includes:

2 Pieces Safety Whistles with Wrist Coils

Note:

Please allow 1-2cm errors due to manual measurement. Color may be slightly different since different monitors, thanks!