Efficient Size Compatibility: Each terracotta watering spike measures 1.9 x 5.04 inches/4.8 x 12.8 cm, fitting various bottles like long neck wine and plastic beverage bottles. Ideal for travel, providing plants with up to 7 to 10 days of continuous watering per liter of water. Natural Water Permeability: Crafted from natural clay, the terracotta watering stakes offer excellent water permeability, ensuring consistent water supply to soil and roots through gentle penetration. Abundant Supply: The package contains 6 terracotta watering spikes, catering to long-term plant care needs. Enjoy uninterrupted watering for your plants, even during your absence. User-Friendly Design: Simple to use, soak the watering spikes for 5 minutes, then gently bury them in a flowerpot after creating a hole. Avoid pressing hard to prevent damage; for heavier bottles, fully insert the stake into the soil for stable support. Versatile Plant Care Solution: Suitable for indoor and outdoor plants and flowers, including balcony flower boxes, potted plants, and garden greens. Adapt effortlessly to various plant settings for convenient and effective self-watering solutions. Item Name: Self Watering Spike Material: Terracotta Capacity: 50ml Features: Automatic Watering, Easy Setup, Slow Release Size Details: L: 12.8cm/5.04", W: 4.8cm/1.89" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 6 x Self Watering Spike