Ralph Lauren Queen Gingham Fitted Sheet Details Made of yarn-dyed cotton. 18" pocket (fits up to a 21" mattress). Machine wash. Imported. Designer About Ralph Lauren: American designer Ralph Lauren debuted his brand in 1968 with ties and menswear, and over the years his vision expanded to encompass women's ready-to-wear, shoes, accessories, and children's clothes, just to name a few. Classic and timeless are the watch words of Ralph Lauren, whether it be designs from ...