Picci Milky Light Blue Cot Bed Sheets? Made of cotton, ideal for completing your baby's bedroom, with cute ponies embroidered in grey. The sheet set consists of 3 pieces: top sheet, fitted sheet with elastic corners, pillowcase. The Picci Milky collection, in the light blue version, features a pair of ponies as its main characters, ideal for furnishing a baby's bedroom with style and elegance.