Large enough to cover an entire 4 x 2-1/2' plywood sheet or layout module, Bachmann SceneScapes 50 x 34" Grass Mats roll out to instantly create a base for your layout's landscaping. Mats are reusable and non-shedding, featuring a heavy paper backing making them great for train layouts dioramas and school or craft projects. Easily cut with regular scissors or a hobby knife.