Mallard duck 6 Throw Pillow by Jeelan Clark Mallard duck, Throw Mallard Crest Pillow with Insert Haiem Mallard Ducks Print Velvet Soft Solid Decorative Square Throw Limited Edition Pillow w Insert. Our Mallard pillow is a perfect 17" x 17" size and arrives blank, ready for your favorite monogram shop to add a personal touch. An invisible zipper makes changing the pillow insert a breeze. Take to your local monogrammer for personalization Made from a blend of linen and cotton, spot clean only.