This lot of 100 Waterproof Emergency Safety Survival whistles is great to purchase in bulk for youth organizations, group events, etc. these whistles can hang off a back pack, can be worn with the included lanyard, stored in your pocket or bag, or just keep it in your survival kit. Lot of 100 whistles consists of red and orange safety whistles with lanyard. Each plastic safety whistle measures 1-3/4� with 14" long lanyard. Lot of 100 Emergency whistles ships brand new in manufacturer's packaging with our 100% satisfaction guarantee.