Noopel 2 Pack Survival Whistle with Lanyard and Keychain Double Tubes Emergency Safety Whistle with Keyring for Boating Outdoor Camping Hiking Hunting Sports Dog Training (2 Pack Silver)

Whistle is loud, when it works. It's not all metal but has some internal parts that are plastic. Those parts can come loose, breaking the whistle. This happened to us after a few days. It also comes with a lanyard that snaps at the slightest tug. Do not rely on this product to work.

Plenty of decibels, compact, lightweight, and the price is right. Perfect for my kids while they’re in the woods in case of emergency.

Love these things. Extremely loud and work well. I bought these years ago and recently re purchased for my girlfriend. I didn't even look for any other whistles I just went straight to these again. They are sleek and made well and loud as all get out

This seems like a pretty decent whistle. It's loud and would get attention, which is the point, and something that is small enough that can be attached to key chain, backpacks, worn around neck, etc. I bought them and wanted to buy more to use for a lot of purposes: hiking/camping, for my kids to wear when out in a crowded area, to attach to my kids backpack, for running, etc. However, the problem is that the two whistles that came in the pack were not of equal quality. One was excellent and I would like to give that to one child. It is very easy to blow and creates a clear crisp loud whistle. The other sort of stinks. It is sort of a double/echoey choo choo sound whistle that takes more of an effort to blow. I do not want to use it for a child or myself because it isn't as direct and noticeable. So now I'm torn whether I return them or not... and whether or not I should buy more... I'm sort of frustrated.

This whistle should only be used with earplugs. It’s keeping me safe on the Appalachian Trail and I love it.