Reduce Watering Frequency: When you water, the planter basket liners absorb water to retain, and gradually releasing moisture into the plants root. You no longer need to water your plants frequently, and you 't be anxious about forgetting to water your plants. The moisture retaining auto watering liners are designed for who like to travel or go on vacation. Easy to Use: Just lay the planter basket liners at the bottom of your hanging basket or pot, plant flowers or plants on top, then water as usual. The self watering planter liners work well with soil and sand. This is an easy solution to keep plants root hydrated. Material: Our plant watering mat is made of moisturizing cotton that has strong water absorption ability. It is safe and environmentally friendly. It not cause any harm to the plants. And after the mat dries, it can be put back into use again, providing stored water for your plants. Size: Each self watering planter mat measures 10 X 10 inches, large enough to fit a 10 inch or larger hanging basket. If your basket is smaller, simply fold the hanging basket absorbing liner to fit. Its water capacity not affect the water storage capacity of the plant watering mat. There are two different quantities of the self watering hanging basket liner, respectively. You can choose the plant basket insert watering devices mats according to your own needs. Please note that baskets and pots are not included. Color: White Material: Cotton Package Contents: 20Pcs * Watering Liners Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.