Hydro-Felt Pad to allow herbs to draw water as desiredPads can be rinsed with clean waterEstimate 3 month duration per pad - 4 pads includedSuitable for 1 pot (round or square)Fits up to 85mm diameter pot (base)No need to re-potThe Cole & Mason Self-Watering Single Potted Herb Keeper, is an attractive and highly functional tool for giving longer life to your fresh herbs.This fuss free plan pot does not require you replant, simply insert a hydro felt pad under the retaining arm and place your potted herb in the container. Fill with water through the spout and check regularly to refill as the plant will absorb water through the pads.This potted herb keeper ensures less water evaporation as the vessel is covered. Enjoy fresh herbs for longer in your everyday cooking.