Welcome to the Buttercup Collection, where golden dreams meet beauty sleep. Crafted from the softest satin with delicate frills and a pinstripe finish in our signature Buttercup yellow, this sleep mask is as beautiful as it is beneficial. Infused with natural silver ions, it helps to eliminate 99.8% of bacteria while you sleep. Designed to promote a clean and hygienic sleep environment, the smooth satin is gentle on skin and lashes — adding comfort and calm to your nighttime routine.