The training undies in pink hue are suitable for girls, in blue hue are suitable for boys. If you donâ€t mind the colors, you can choose mix-packs of sheep, puppy, frog, and duck patterns. They donâ€t keep all the wetness in because theyâ€re not a diaper, but they do a great job absorbing the urine. Therefore, at the beginning of potty training time, we don't recommend wearing it at night. It is more environmentally friendly than disposable potty training pants and can be reused after washing. Reusable: It may save money for your toddlers' potty training.