Aqua Splash Tie Dye Onesies For Infants. Our premium selection of onesies will have your kid looking great in comfort all the time! Made of super soft, 100% cotton material each onesies is hand dyed, no two are alike! Super bright color professionally tie dyed one a wonderful garment for the lil tyke in your life! Each onesies features oversized head hole and three snap bottom for a perfect fit.