Pealess & Waterproof: To avoid whistle failure in wet or freezing conditions, this Portable Safety Whistle features a pealess (no-core) and waterproof design, floating on water and working normally even when wet—ideal for outdoor and water activities.

Pealess & Waterproof: To prevent whistle failure in wet or freezing conditions, this Portable Safety Whistle features a pealess (no-core) and waterproof design, floating on water and working normally even when wet—ideal for outdoor and water activities.