7 PACKS PLASTIC and 1 PACK METAL STAINLESS STEEL WHISTLES WITH LANYARDS For A Variety of Situations It's suitable for coach, referee, gym teacher, recess worker, lifeguard and etc. Also it can be used for running or walking at night, protection from dogs… It will be tool calling for help when you are in the event of an emergency. Easy to Use and Carry Each whistle includes a lanyard which makes it easy to carry, store, and keeps it securely in place while wearing during any activities like coaching, refereeing, or lifeguard. Specifications Material: Plastic or Stainless Steel Lanyard: Nylon Weight: Metal Whistle - 15g or 0.5 oz Plastic Whistle - 10g or 0.3oz Size: 1.65" x 0.78" x 0.6" or 4.2 x 2.0 x 1.5cm Sound: Crisp and Clear It's suitable for a coach, referee, gym teacher, recess worker, lifeguard and etc. Also it can be used for running or walking at night, protection from dogs It will be tool calling for help when you are in the event of an emergency Easy to Use and Carry Each whistle includes a lanyard which makes it easy to carry, store, and keeps it securely in place while wearing during any activities like coaching, refereeing, or lifeguard Specifications - Material: Plastic or Stainless Steel Lanyard: Nylon Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.