KPKSOBE. Playing Koi South Beach Sun Dress The South Beach dress is a darling summer style. Featuring ruffled layers in luxury cotton, this breezy dress is a beautiful addition to your little one's wardrobe. Material: 100% Cotton Care: Machine wash, tumble dry Price: 2 for $50.006 for $120.00 Unit: each Dress Size: Small 5/6YMedium 7/8YLarge 9/10YExtra Large (Add $12.00)