Pottery Barn Palm Organic Duvet Cover King. Pottery Barn Palm Organic Duvet Cover. The tropical nature of jungle palms is balanced by a repeating pattern, which emphasizes the symmetrical fronds and creates a calming effect. * Material: Made from 100% organic cotton. * Secure Design: Duvet features interior ties to keep insert in place and has a button closure; sham features a side closure. * Reversible Design: Reverses to the same. * No Shams. CARE INSTRUCTIONS * Machine wash in warm water; normal cycle with like colors. * Only non-chlorine bleach when needed. * Tumble dry on low heat; remove promptly. * Warm iron as needed. DIMENSIONS * King/Cal. King: 92" l x 108" w Perfect conditions!