Unbreakable Led Neon light Flex.
Its either non waterprof or waterproof.
Flexible SMD 3528 or brightest of SMD5050
could just be one color or RGB 5m Flexible Strip.
This is suitable for indoor or outdoor decoration lighting.
It has a remote control for RGB that can be flashing or steady.

Price below is nonwaterproof, cheapest variety and one color only.