Buyer's Notes The Shiro square seat cushion is finished in an elegant neutral hue and is made with pure polyester. With a soft foam filling for comfort the Shiro seat pad offers a timeless look. What You Need to Know Self-Assembly - No. Design Features - Neutral coloured chair cushion designed to be paired with the Shiro acacia wooden chair. Cushion Composition - 100% Polyester cover with foam filling. Care Instructions - Cotton cover is hand wash only. Please follow our Care Guide for storage instructions. Why We Love Shiro Combining style and practicality this garden cushion offers a soft and relaxing place to sit whilst the stylish neutral shade will always be timeless, perfect for season after season.