Protect your duvet insert while keeping cozy; this cover feels as good as it looks. The softest linen you'll ever touch - ours is crafted in Portugal from the finest European flax and garment washed for a perfectly lived-in feel from night one. Made from 100% European flax Duvet cover features twill ties in all four corners. Made in Portugal. • OEKO-TEX® STANDARD 100 16. HUS.93300 Hohenstein HTTI. Recommended for warm or cool sleepers, our supersoft linen keeps you cool in the summer and warm in the winter. The texture lends a laid-back-yet-luxurious look with an airy weight. Light on the earth, easy on the soil, our sustainable linen only gets better with time. Machine washable