Size Information Label Size 90 for 1-2 Years Label Size 100 for 2-3 Years Great Training Method! Training Pants help make the transition from diapers to underwear a smooth one. They are designed to offer protection against small leakages and allow toddlers to feel the sensation of wetness and learn the cause and effect between having a pee and feeling wet. They will encourage kids to go to the potty while feeling wet and help children promote independence gradually.