The CRYSRTALS ICE Just Add Water Crystals from Legacy Candle expand up to 400 times to retain moisture, making it easy to hydrate your plants without needing to water them as frequently. This crystal ice product comes in 10 different colors, as shown in the photos, and is designed for all-purpose use in your yard, garden, or outdoor living space. Made in the United States, these water crystals are a convenient and effective way to keep your plants hydrated and healthy. Plus, with free USA shipping, you can enjoy a 50% reduction in waterings.