Features: The sprouting lid with built in stand for wide mouth jars accelerates seedling germination by 30% compared to traditional methods, featuring optimized airflows holes for efficient plant growth. Crafted from plastic with enhanced heat/corrosions resistance, this gardening tool includes easy clip stand that installs securely on jars in 10 seconds without tools. Ideal for gardeners, students, and families seeking space saving solution for kitchen cultivation or balcony microgreens projects. Perfectly adapts to jars for multi functional use as compact hydroponic systems, countertop sprouters, or decorative planter in apartments, offices, and small kitchens. Compact 9x9x2.5cm design (100g) combines portability with year round gardening capabilities, enabling freshness sprouts even in limited spaces while maintaining countertop aesthetics. Specifications: Component: Food grade plastic Size: 9x2.5cm/3.54x0.98inch Use scenarios: Home gardening | Office green plant | Balcony planting Package Includes: 1pcs/2pcs/4pcs Hydroponic Sprouter Lid note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.