Soil Moist Mats. Easy to apply water storing mats. Reduces plant waterings by 50-percent. Water storing polymer crystals are woven into a degradable cloth material. Ideal for hanging baskets and containers. Easy to apply, simply add the mat to the bottom of a container and add soil. Reduces time and effort of dailing plant waterings. Each 7 x 7-inch mat absorbs a quart of water, then slowly releases to the plant"s roots. Each packet contains 6 mats.