Product Description These pillow cases are designed to fit extra large pillow cases, each long pillow case measures 30" L x 20" W, accommodating standard size pillow covers. Crafted from polyester microfiber, these large pillow cases offer remarkable softness and durability. The standard size pillow cases are easy to maintain; simply machine wash warm, avoid bleach, and tumble dry on a low setting to keep them looking pristine. From the Manufacturer Amazon Basics