This is the Woodland Scenics F54 Conifer Green Foliage.

Model trees, vines, weeds, bushes, hedges or any low growth.

Foliage is excellent for making trees, vines, weeds, bushes or any low growth. Simply stretch the sheet of Foliage for a thin, lacy application. Attach to layout with Scenic Cement™. Create quick and economical tree masses on your layout. Stretch Foliage to desired density, then roll into a loose ball. Stretch the ball into a conical shape for variation.