The zipper makes the cover easy to remove. Fits inner cushion 19 5/8x19 5/8". Care instructions: Cushion cover. Machine wash, warm 104 F(40 deg C). Do not bleach. Do not tumble dry. Iron, medium temperature. Do not dryclean. 100 % cotton. People & Planet: The material in this product MAY BE recyclable. Please check the recycling rules in your community and if recycling facilities exist in your area. Renewable material (cotton).