20 Material Instances - 5 medium & 5 small grass types with an option of a tri static mesh or an X static mesh.
Pre-configured foliage types for each mesh - Ready to paint with the Foliage Tool.
Master material with a cheap wind animation - Wind animation is customizable in the wind settings parameter group & uses a root mask.
3 texture maps per mesh - Diffuse, Normal, ORM (Ambient Occlusion + Roughness + Metallic).