Adjustable Top: Rotate the top of the shaker to adjust the hole size, giving you complete control over the amount of product released. Extra Thick Plastic: This shaker uses thicker plastic than other shakers on the market for better durability. EASY TO FILL: Easily broadcast diatomaceous earth, salt, fertilizer, seeds, pellets, and more. with seasoning container. Convenient features: 2 liters, enough to sow 46.5 square meters of seeds. Versatile: universal tool for a variety of gardening tasks. Ideal for spreading salt, melting ice, grass seed, fertilizer, herbicide, fodder and food in gardens, driveways, farmland and yards.