This is the 25" x 33" Green Grass Vinyl Mat by Woodland Scenics. Suitable for Ages 8 & Older. Its unique characteristics make this non-shedding, vinyl grass mat the best on the market! ReadyGrass mats are colorfast, no fading, and they are durable/tear resistant. Ideal for train layouts, battle mats, architectural models, school projects, arts and crafts, slot cars, collectible houses, military models and more! Use a heat tool to form a hill, mound or valley, or simply scrape to create space for roads and water areas. Permanently mount the ReadyGrass Vinyl Mat to your layout or roll it up and use it again!