Martha Stewart Garden Cascade / Vines 3PC Comforter Cover Set King - Blues Garden Cascade blue floral 3-piece King-size duvet cover set. Set includes: 1 duvet, 2 king shams. Measurements: comforter 109 x 97.5 inches, shams 23 x 39 inches. Made of 100% cotton with a 200 thread count. Machine washable.