Perfect Size Match: Each capillary mat measures 18 x 4 inch, precisely tailored to complement the 24-cell seeds kit without requiring any trimming, facilitating a seamless and hassle-free planting experience. Automatic Watering System: These replacement capillary pads offer self-watering capabilities, effectively hydrating seedlings to promote their health and vitality, streamlining the process of nurturing new plants and simplifying your gardening routine. User-Friendly Design: Easy to install, simply swap out old capillary pads with these replacements on the reservoir of your seeds kit. The pre-cut sizing ensures a for 24-cell trays or allows customization for other tray sizes as Felt Material: Crafted from high-quality felt, these replacement capillary mats are strong, stain-, and absorbent, ensuring long-lasting use and healthy seedlings growth across multiple gardening seasons. Value Pack Inclusion: This set includes 8 pieces of 24-cell black replacement capillary mats, providing an ample quantity for daily use and replacements. Effortlessly update your seeds kit with this convenient and practical capillary mat set.