Skims Silk Long Sleep Set Limited Edition Petal - new in package gift bowl size medium | The "Skims long sleep set pink" likely refers to a limited-edition or past-season pajama set in a pink color, made from materials like silk or modal rib, available in styles such as a button-up top and matching pants. These sets are designed for comfort and are sold through various online retailers and resellers, with availability depending on the specific style and color.