With the characteristics of breathability and water absorption, improves the survival rate of planting.. Saving time and effort, the sponge is also easy to operate,and provide many seasons of use. Made of high quality sponge, it is durable. The length of the sponge is 25cm, the width is 25cm, the height is 2.4cm. It is suitable for greenhouse planting, modern agriculture, artificial breeding and so on. Item Name: Sponge Material:Sponge Size:25cmx25cmx2.4cm/9.84inx9.84inx0.94in Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 X Sponge