Check out this selection of Duvet Cover Sets, which starts at $16.99 at Zulily. Shipping is free when you spend $89. Otherwise, shipping starts at $6.99. Plus when you place an order at Zulily, you'll unlock free shipping for the rest of the day on subsequent orders. The pictured Intelligent Design 4-Piece Chevron Reversible Twin Duvet Set in Teal on sale for $16.99, currently sells at retailers like Wayfair for $27 or more. This set comes with a duvet cover, two decorative pillows, and a pillow sham. Please note that you'll need to log into your Zulily account to finalize your purchase.