The cover is approximately 43x43cm which will fit an 50x50cm inner for extra plumpness. Available as cover only. All our cushions are hand made, double sided. Zipper closure for easy removal and wash. Material: %100 Microfiber Polyester This is the one of the strongest fabric, with low elasticity and high resistance to shrinkage. This fabric is highly durable and can be washed quite conveniently.