The new  Polyester swim cap from Speedo has a new character print and is available in blue or purple for boys or girls. This junior swim set is suitable for 2 to 6 years and is a cap made of polyester, the for a comfortable fit for small children. Please note that this hat does not keep protects the hair and dry of polyester is a porous material, but keeps the hair out of the way for swimming and has a comfortable fit as a swimming cap, swimming cap.