Seeing this a bit late. This.

https://www.amazon.com/Life-Gear-Reusable-Glow-Stick/dp/B00UC9NN08

Pros - blink or no blink, different colors, excellent life from tiny batteries and a gd whistle

Highly recommend for burn or camping.
FYB

also here if you're so inclined: https://www.rei.com/product/884154/life-gear-reusable-led-glow-sticks-set-of-2