Our large 40 oz. re-sealable bag of First-Cut Timothy hay is very high in fiber and usually has timothy heads. This bag has a new Zipper type closer. The first cut is not quite as soft and grassy as the second cut and usually this hay has timothy heads. Sweet Meadow recommends free-feeding hay to help with digestion and oral health. A constant supply of hay is also great for your pet's mental well-being, since grazing and chewing is soothing.