Navy Duvet Covers & Bedding Sets at M&S 200TC Navy Mitered Duvet Cover Set (3157093) Loads of Living Navy Duvet Cover Set, Ombre Style Deep Sea Ocean Underwater Themed Navy Plaid Duvet Cover Set, Abstract Lines Overlapped Geometric Motifs Nautica Point Harbor Embossed Navy Duvet Cover Set & Reviews Wayfair. Transform your bedroom with this single bed duvet cover, featuring a stylish navy and beige geometric pattern. Crafted for comfort, its soft fabric offers a luxurious feel and is easy to care for. The dynamic design includes contrasting abstract shapes, adding a modern touch to any decor.