weight Clay Pebbles: You will receive 2 lbs leca balls for indoor plants, 4-16 in diameter, the clay balls are the perfect size for small to medium pots and garden plants; The leca balls come in a resealable foil pouch, keeping them clean and dry for long-term storage. Just open, pour, and grow!100% Natural Leca Clay Pebbles for Plants: Made of natural clay, baked at high temperature into round leca balls, pH neutral helps remove excess acidity, sturdy, no odor, not easy to break, you can ly use it in your garden to help plants grow healthier and faster; Widely used for plant pavement, pot base,orchid and hydroponicsExcellent Drainage & Aeration: The porous structure of clay balls for plants provides plants excellent aeration and drainage, ensuring that the root stem is not saturated by over-watering, while also providing the right amount of oxygen to the roots, improving root circulation; The increased airflow also helps regulate soil temperature, allowing plants to grow comfortablyKeep Moisture & Fertilizer: The pores inside the leca balls for plants can take in some water and retain some gas; When the water around the root stem is insufficient, the water in the leca for plants diffuses out through the surface to provide the necessary oxygen and water; The clay pebbles can also store nutrients and slowly release them to the root steultipurpose: Our expanded clay pebbles is great for plants drainage, hydroponic growing, aquaponics, orchids substrate, indoor plants, combined with other soil media can activate soil and improve plant survival and soil fertility; Widely used for soilless cultivation in roof gardens and lawns, perfect for media beds, dutch buckets, drating plants; Can be reused after cleaningdefaultNon-woven Fabric