Magic Silk lingerie Buttercup line Babydoll and Cutout Panty Set. Buttercup by Magic Silk is cute, flirty, sweet, playful. Get ready to have some good clean fun in the Buttercup collection. Delectable, stretchy, soft, zesty yellow floral stretch lace adorned with aquamarine satin ribbon is sure to ignite an intimate evening. Featuring unique accents and designs, the Buttercup collection really stands out! Ladies size medium 8 and 10.