greenaholics cork mats - 6.3 inch brown absorbent coasters pads for planter saucers, hard and sharp container cushion, set of 2 greenaholics <b>greenaholics cork mats - 6.3 inch</b><br><br> these cork mats are made of the oak regenerate bark, so this mat is environmental-friendly product.<br><br> this sturdy cork mat have a moisture water-absorption, if you use them as a planter pot saucer, <br>please pay attention to the watering. slowly and moderate water will be better. <br>they need the sunshine after using a few days.