Personalise this whistle with any message over 3 lines up to 15 characters per line. High power, medium pitch 114dBA. Hand polished, solid brass, medium Thunderer with tapered mouthpiece. All text will appear centrally aligned and is engraved on both sides. Text will appear as entered, if you require upper case, please enter it this way when ordering. Supplied in presentation black gift box and includes neck lanyard. Perfect for Teachers, Coaches, Sports Referee or Lifeguard Size: Width: 1.8cm, Height: 2.3cm, Depth: 5cm The following can be personalised on this item: * Message Line 1, up to 15 characters * Message Line 2, up to 15 characters * Message Line 3, up to 15 charactersTake note of the maximum length for each line (spaces and punctuation count as characters), all fields are optional unless specified otherwise. Double check names, dates and spellings before sending as these cannot be changed when manufacturing begins.