Avery the Mallard Duck Squishmallow. Squishmallows are soft, collectible plush toys made with a marshmallow-like material. Avery the Mallard Duck Style: Stackable (a flatter, rounder shape designed for stacking) Material: Ultrasoft, high-quality polyester material Color: Green head, brown body and wings, white neck marking, and a yellow bill Sizes: Avery is available in various sizes, including 8 inches (as shown in the image context and search results), 12 inches, and more. Bio: Avery loves playing rugby with his local team and enjoys celebrating with ice cream after every game.