Otilly Womens The Aroa Jet Black Neoprene Bikini Set Swimsuit Swimwear Brand:OTILLY The Aroa Bikini is made from 100% neoprene (the material used in wetsuits). US Size:X-SMALL:2-4 SMALL:4-6 MEDIUM:6-8 LARGE8-10 X-LARGE10-12 If you want to change your Jeans size,pls sent us the email once you purchased,tks.