Made of the softest linen and able to sit with a weighted synthetic bean bag, this limited edition gingham Hippo offers comfort and whimsy. Made of the softest linen and able to sit with a weighted synthetic bean bag, this limited edition gingham Hippo offers comfort and whimsy. Founded in Denmark in 1999 by Dorthe & Erik Mailil, Maileg fosters the belief that children thrive with non-plastic toys, and creates collectible, well-made pieces that are sure to be loved, cherished, and handed down for generations.