Swimmer Clothes For All 18 Inch Dolls. For American Girl dolls and 18 inch dolls who are going to the beach, pool party, or sun bathing at home or in the park will love this two piece beach doll clothing. The one piece bathing suit is stretch material. The cover up has two working pockets, a detached hood and sash. Our clothes are our own design and handmade. The doll and shoes are not included.