The fabric used in the pillowcase contains 80% cotton and 20% polyester, so it does not pill under the right washing conditions. However, if you pay attention to some tips, you will achieve longer-lasting use: Washing Recommendations: 30 ° Wash in C on delicate cycle. If you wash it by turning it inside out, the surface will wear less. Use a small amount of fabric softener. Avoid washing in crowded machine (increases friction). It is healthier to dry it by laying it out instead of using a dryer. In these conditions, the risk of pilling on the product is quite low. � � ✨