The product is double sided. you can use either the white side or the orange side of the pillows and duvet cover. the fitted sheet is only one-sided, it is orange. colors may differ depending on the light. pillow size: 50 x 70 cm. it fits standard pillow sizes. the duvet cover has a zipper. size: 225 x 200 the inner sheet is elastic. the color of the inner sheet is orange. the product colors may look different due to the light. the size of the sheet: width: 2.40, length 2.80, depth 35 cm Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.