Pack contains 3 spruce and grass models.
Models are good in low poly environment and in games.
If you want to use models in Unity game engine then the model materials don't come along.
Spruce.1 material code R = 0.138 G = 0.093 B = 0.044
Spruce.2 material code R = 0.002 G = 0.124 B = 0.000
Spruce.3 material code R = 0.064 G =0.025 B = 0.023
All spruce trunk material code R = 0.025 G = 0.007 B = 0.006
Grass material code R = 0.013 G = 0.107 B = 0.013
But if you want then you can change materials what ever you want.