Multipurpose Grass Growing Tray for Home Planting - Blue. Note: This product page is only for the Blue color. If you need other sizes/colors, please refer to the Questions & Answers section. Description: Quality Material: The planting tray is made of high-quality PP and PET material, with multiple holes for breathability, maintaining the ability to sprout and grow. Convenient Design: The grass sprouting tray promotes germination, with a separate design for easy filling with water and cleaning. Easy to Use: The wheatgrass growing tray retains water underneath, providing sufficient moisture and nutrition to the seeds and promoting germination. Application: The growing trays are ideal for indoor or outdoor planting, and can also be used as cat treat trays. Widely Used: You can use this planting tray to sprout crops, wheatgrass, mung beans, vegetables, alfalfa, and more. Specification: Material: PP and PET. Size Chart: Diameter: 18.5 cm / 7.28 inches. The package includes: 1 cat grass tray.