ZHT Electronic Whistles for Referees with USB Charging, 3 Tone High Volume Emergency Whistle for Referee Coaches Teacher, Outdoor Camping Hiking Boating Safety Whistles with Lanyard Black sold2024 This is a proprietary mold

This is a proprietary mold with a proprietary swivel base that spins smoother for longer

7mm stainless steel

18 months warranty and lifetime technical support

daisy shaped heads in Antique Brass finish

The dinner napkins are made of 3-ply paper to ensure that it doesn't tear easily when used

ZHT Electronic Whistles for Referees with USB Charging, 3 Tone High Volume Emergency Whistle for Referee Coaches Teacher, Outdoor Camping Hiking Boating Safety Whistles with Lanyard Black sold2024 This is a proprietary moldZHT Electronic Whistles for Referees with USB Charging, 3 Tone High Volume Emergency Whistle for Referee Coaches Teacher, Outdoor Camping Hiking Boating Safety Whistles with Lanyard Product Features Clean and hygienic: Stop use traditional whistle you donot have to take off your mask especially at this particular time! It is a best gift for coach and PE teacher,our electric whistle can be used by multiple people, reused, and easy to carry. Large