⭐【Ideal Cushion】JMKaixin deep chair cushion is made of very high quality material - polyester for cover and PP cotton for filler. This is a value for money cushion - Size: 19" x 19" x 3" .There are 4 in one set (Note: Please measure your chair before purchasing) ⭐【Just Right】If you can take this cushion home, you will find that the mood will change for the better. Because they can reduce the pain in your back and buttocks caused by sitting in hard chairs in addition to being a home decoration. The thickness is moderate, soft and breathable when you sit down, and there is a high recovery and give a good support ⭐【Save Your Time】The durable outdoor polyester fabric is treated with UV light to prevent fading and make the colors last longer and more vibrant. Also effectively insulates against stains and water stains. To clean up dust, simply wipe the surface gently with a damp cloth ⭐【Adjustable Ties】Don't worry about the cushion falling to the ground because the included straps keep the outdoor sofa cushion securely attached to your outdoor patio furniture. Great for indoor outdoor patio chairs, wicker benches, wicker dining table/benches... ⭐【Any Occasions】The 19" x 19" outdoor cushions can be widely used, ideal for various outdoor spaces from a patio to a balcony, swimming pool, porch, and garden. Long time compression in transit, please place the product for a period of time after receiving it and wait for the cushion to return to its original state. In the case of heavy rain, it is recommended to take the beloved cushion back indoors to avoid reducing its service life JMKaixin 19" x 19" Waterproof Outdoor Chair Cushion – Comfort & Durability Combined - Waterproof & UV-Resistant Fabric -3" Thick, Supportive PP Cotton Filling -Non-Slip Adjustable Ties - Easy Clean & Low Maintenance -Versatile for Indoor/Outdoor Use Pro Tip: For longest life, bring cushions indoors during heavy rain or extended harsh weather.