To use these sheets, simply put them on your bed and place the pillowcases on your pillows. You'll immediately notice the smooth and luxurious feel. For maintenance, you can easily machine - wash them. Just follow the regular laundry settings for polyester fabrics. Make sure not to use bleach as it may damage the satin. When drying, avoid high - heat settings to keep the sheets in good condition. Also, don't iron them on high heat as it can cause the satin to lose its sheen. Enjoy the comfort and beauty benefits of these sheets every night!