Healthy Grass for Pets Safe Material: Take care of the cat's health, hand-grown, easy to operate. Let the cat eat healthy cat grass, fresh, nutritious, simple. Cat grass is a natural and safe food that helps promote healthy digestion and prevents hairballs in cats. The PP material of this planting box is safe for your cats and the environment. How to Use: 1.Soak your wheat seeds, barley seeds, or oat seeds in water for 8 hours (Seed Not Included in Package) 2.Spread the seeds evenly on the tray, do not stack 3. Fill the box with water until the water runs out of the tray overflow hole 4.After the seeds germinate, change the water every 2 to 3 days Double Detachable Design: The Cat Grass growing kit comes with detachable seed trays, it is Easy to change water, easy to clean, can be recycled.Separate design of plant layer and water support basin, Our hydroponic cat plant box is incredibly easy to use and clean, making it the perfect pet helper for any cat owner. Soil-Free Growing: The 3PCS 7.24x3.46x1.89 inch Cat Grass Planters are Easy to operate, necessary for lazy people. 7-10 days to grow naturally fresh, natural, healthy and nutritious cat grass. With this cat grass planter, you can grow, nutritious cat grass without the need for soil. The PP seed sprouter tray utilizes hydroponic technology, allowing the grass to with water alone. Versatile Use: While specifically designed for cats, this cat grass planter can also be used for other small pets, such as dogs and rabbits. It's a great way to provide them with a safe and enjoyable grass-eating experience.