Amazon.com : Good Sense Security - 2 Emergency/Survival Whistles on Keychain or Lanyard - Personal Safety for Women and Kids - Easy to Blow and Ultra Loud, Whistle Provides Protection/Security When Outdoors :
Plan Toys - Rain maker - Little Zebra
FOX 40 Micro Pealess Whistle with Lanyard – The Bee's Knees & The Travel Bug