Hello Natalie,  this costume is for the character cosplay, we afraid we won't use it as swimsuit. And we always welcome suggestion, if you'd like to make some special costume or have any special requst, please submit ticket (with product link & request) to our Support Center and let my teammate helps you directly.  n_n

Hello Tatiana, this is spandex costume, a swimming trunks, so it will not very stretchy, with a bit elasticity.  n_n