NeoPixel RGB Neon-like LED Flex Strip with Silicone Tube [1 meter] : ID 3869 : $34.95 : Adafruit Industries, Unique & fun DIY electronics and kits

RGBW Neon-like LED Flex Strip - Warm White 2700K [1 meter] : ID 4548 : $27.50 : Adafruit Industries, Unique & fun DIY electronics and kits

RGBW Neon-like LED Flex Strip - Cool White 5500K - 1 meter : ID 4549 : $27.50 : Adafruit Industries, Unique & fun DIY electronics and kits

NeoPixel RGB Neon-like LED Flex Strip with Silicone Tube [1 meter] : ID 3869 : $34.95 : Adafruit Industries, Unique & fun DIY electronics and kits

NeoPixel RGBW Neon-like Flex Strip - Cool White 5500K - 1 meter [5V 60 LEDs/ m] : ID 4689 : $29.95 : Adafruit Industries, Unique & fun DIY electronics and kits

NeoPixel RGBW Neon-like Flex Strip - Cool White 5500K - 1 meter [5V 60 LEDs/ m] : ID 4689 : $29.95 : Adafruit Industries, Unique & fun DIY electronics and kits

NeoPixel RGBW Neon-like Flex Strip - Cool White 5500K - 1 meter [5V 60 LEDs/ m] : ID 4689 : $29.95 : Adafruit Industries, Unique & fun DIY electronics and kits

Flexible RGB Neon-like LED Strip 120 LEDs - 1 meter long : ID 4245 : $19.95 : Adafruit Industries, Unique & fun DIY electronics and kits

NeoPixel RGB Neon-like LED Flex Strip with Silicone Tube [1 meter] : ID 3869 : $34.95 : Adafruit Industries, Unique & fun DIY electronics and kits

They look a lot like neon, but without the need for expensive transformers, glass tubing or inert gasses. Super flexible and bendy, they feature a single-color non-addressable LED strip with a solid chunk of translucent silicone rubber as a diffuser.

adafruit-Flexible Silicone Neon-like LED Strip - 1 Meter