Made of , which is durable and long-last use. Pool pillow has a simple design, but very practical in use. Pool pillow can used with swimming pool covers to protect your above ground swimming pool and cover during cold winters. Features -Color:Blue -Material:PVC -Size:105.00X105.00X10.00cm/41.27X41.27X3.93in -Note: with 4 rope buckles. - The inflatable pillow can be used with swimming pool covers to keep water of your pool cover. - The pillow is easy to use and easy to inflate, easy to store and carry, not easy to break in cold winter. - This pool pillow is easy installation, good as part of above ground pool winterizing kit. - Protecting your pool all winter long, brings you great convenience. Simple appearance, yet practical for use. - Inflatable pillow is durable and can serve you a long time, which is practical and . The inflatable pillow is a great accessory for winter swim pool. Package list: 2 x Inflatable Pillows