With orders of $25 or more, Amazon offers Prime members the Dorcy Waterproof Floating LED Flashlight in Blue for $3.46 with free shipping. That's tied with our February mention and the lowest price we could find by $2. This 55-lumen flashlight features four 5mm LED bulbs and a built-in tail cap carabineer clip.

Update: The price has dropped to $3.30.