Riverbyland Linen Decorative Throw Pillows Cover Dark Gray 17"x11" Linen Cloth Pillow cover only. Size: 45x30 cm, 17"x11" Material: Linen mixed cotton cloth, Simple style pillow covers. A delightful decorative pillow cover bring the magical to your room. Easy to change, super smooth invisible zipper closure for easy insertion and washing. Machine washable. Better Handwash in lukewarm water. The pillow cover is Dark Grey, different light will have different display effect, we have uploaded pictures of the effect to different situations, please being noticed.