This is a very new poly canvas (oxford 600D) fabric material with PU layer underneath to prevent water go thru the fabric, it make the pillow cover become waterproof, and this material is strong enough to put in outdoor. We have more than 20 colors of this materials, you can see all color from the below picture. How to measure a pillow case. The size is measured when the pillow case is laid flat and pull straight, if you want to measure it more accurate, please turn inside out, then measure the left to right sewing line. We are not responsible for any wrong or undeliverable addresses. The item "TAILOR MADECOVERWaterproof Outdoor sofa/floor Pillow Sofa patio chair Dw03" is in sale since Wednesday, May 19, 2021. This item is in the category "Home & Garden\Home Décor\Pillows". The seller is "goodfabricstore" and is located in Kowloon, Hong Kong.. This item can be shipped worldwide.