Features:

Weather Resistant Storage: Open up the whistle for weatherproof storage space allowing you to keep your essentials safe when you need them most. 
5-in-1 Tool: A compass, 150-decibel emergency whistle, flint, signaling mirror, and a weatherproof storage container included.
Pocket Sized Multi-Tool: Only 5" inches long, store one in your glove compartment, bug out bag, or even in your pocket on the go.
100% Money Back Guarantee: We back our products with our 6 Month "Any Reason" Refund Guarantee. Ships quickly from the USA. In addition to our 6 months "any reason" refund guarantee, Survival Frog also provides a full 3 years product warranty against any product defects.

Specs:

Whistle Volume: 150 decibels
Dimensions: 5" inches x 1" inch
Weight: 1.2 oz