Features: 1. Seedling planting sponge, suitable for soilless cultivation, which is clean and sanitary. 2. It provides long‑lasting moisture for seeds, and is ideal for hydroponic plants and vegetable plants. 3. Used in greenhouse cultivation, modern agriculture, artificial breeding, vegetable planting base, green vegetable planting, etc. 4. Hydroponic seedling sponge, only need regular watering of nutrient solution, no need to add soil. 5. Use high‑quality polyester sponge material with grooves for easy clamping of seedlings. Specification: Item Type: Hydroponic Sponge Material: Polyester Sponge Color: White Weight: Approx. 66g / 2.3oz Total Size: Approx. 29.9x20.7x2.4cm / 11.8x8.1x0.9in (117Pcs Blocks) Single Block Size: Approx. 2.3x2.3x2.4cm / 0.9x0.9x0.9in Purpose: Nursery Scope of Application: Greenhouse cultivation, modern agriculture, artificial breeding, vegetable planting base, green vegetable planting and other fields Package List: 2 x Hydroponic Sponge (234Pcs Blocks) Features Clean and Sanitary Seedling Planting: These sponges are designed for soilless cultivation, ensuring a clean and sanitary environment for seedling growth, promoting healthy plant development. Long-lasting Moisture Retention: Provides long-lasting moisture for seeds, supporting optimal growth for hydroponic plants and vegetable plants, ensuring a healthy and vibrant garden. Versatile Usage: Suitable for greenhouse cultivation, modern agriculture, artificial breeding, and various vegetable planting scenarios, offering flexibility for different gardening needs. Soil-free Hydroponic Solution: Eliminates the need for soil, requiring only regular watering of nutrient solution, providing a hassle-free and efficient gardening experience. High-quality Material with Seedling-friendly Design: Crafted from high-quality polyester sponge material with grooves, facilitating easy clamping of seedlings, ensuring successful and robust plant growth.