The Zen Hydro Bubble 5 Extraction Bags with Square Pressing Screen is a convenient and efficient hydroponics tool set. The kit includes 5 color-coded nylon bags with a pressing screen, perfect for extracting essential oils or bubble ice bags. The set also includes a carrying case for easy storage and transport. With no batteries required, this product is simple to use and designed for outdoor use in gardens or yards. Made by Zenhydro, this extraction bag kit is a must-have for any hydroponics enthusiast.