Buy as many of as few of these Organic Cat Grass Planters as you need. Made in the USA! The plastic planter is made from post-consumer recycled plastic. The kit comes with our own blend of organic nonGMO grass, organic soil, natural burlap, and colorfully gravel. Easy to grow. The clear container allows you to watch the roots grow. Plus you can see the water level. A great size for anyone with two or three Cats! 4” tall (without grass) 4.75 wide 2-year shelf life