One NWT Pottery Barn Belgian Flax Linen King Sham Flax Color. Purchased and missed the return window. DETAILS Material: Made of 100% Libeco™ linen. Color Durability: Yarn-dyed for long-lasting color. Secure Design: Sham features a side closure. Reversible Design: Reverses to the same. Natural Variation: Color variations are inherent to natural fibers, and slight variations may occur to what is shown online for our Flax color option. Certification and Standards: OEKO-TEX® STANDARD 100 certified, tested for 1000+ harmful substances (14.HUS.42449 HOHENSTEIN HTTI). Made in a Fair Trade Certified™ factory, empowering workers who made it. Place of Manufacture: Imported. CARE INSTRUCTIONS Machine wash in cold water; gentle cycle. Use only non-chlorine bleach when needed. Tumble dry on low heat; remove promptly. Warm iron as needed. King Sham: 20" w x 36" l Flange: 1.5"