ACME Outdoor Slimline Tornado 636 ( Black, White, Orange, Yellow, Green, Blue, Pink and Red)
 
Slimline, small and flat, loud and high pitched. The little whistle with a big punch.
 
This safety and sport whistle is official approved, water safe and unaffected by water. Approved for life jacket, immersion suit, life raft and rescue craft S.O.L.A.S. (Safety Of Life At Sea) regulations. Very high frequency.