3 Tree Bark Material -VOL 16 (sbs file + 4k PBR Textures)  

If you work in the field of simulating plants and trees, or if you work with speed tree software, or if you need tree trunk textures, this product is definitely for you.
I also suggest you to visit other tree trunk products, which I will link below

Product features :

• SBS file (By SBS file you can export the PBR Textures in any Quality like 2k 4k 8k ...)
  
• 4k PBR Textures IN PNG
  
• ao/albedo/roughness/normal/height channel
• High Detail
• High Quality
• Tile-able Pattern
• 100 % made by substance designer

you can use the textures in any programs like speed tree and...

3 Tree Bark Material - VOL 02 (SBSAR file + 4k PBR Textures) https://www.artstation.com/a/37637561

3 Tree Bark Material -VOL 05 (sbs file + 4k PBR Textures) https://www.artstation.com/a/18151931

3 Tree Bark Material -VOL 16 (sbs file + 4k PBR Textures) https://www.artstation.com/a/19438300

Other products :

20 Jean Fabric Smart Material - VOL12 https://www.artstation.com/a/18907922

100 Smart Mask For Substance Painter - Vol.04  https://www.artstation.com/a/26080459

15 Wood Smart Materials - VOl 03 https://www.artstation.com/a/13466891 

14 High detail Concrete Smart materials - Vol17  https://www.artstation.com/a/20013661

20 Plaster Smart Materials - VOL 19  https://www.artstation.com/a/20825123