Nettigo: RGB 4x4 WS2812B Matrix on PCB with mounting holes [Yā nǔ shén]
SEZO WS2812B RGB 5050SMD 8x32 256 Pixels Digital Flexible Matrix Individually Addressable LED Programmed Panel Works with SP801E SP107E Arduino Image Video Display Full Color Lighting DC5V
16x16 Flexible WS2812B Intelligent Addressable RGB LED Matrix