【Absorbent Potty Training Underwear】There are 6 layers in the crotch so these training underwear have strong urine absorption which will help to avoid leakage. MooMoo Baby girls and boys training pants are the perfect step away from nappies towards big-girl and big-boy underwear! It is recommended to wash in water before wearing to maximize its effectiveness | 【Leakproof 6-layer structure】The toddler Potty training pants are 6-layer structure , so they can contains few accidents and hold fluid well, giving parents confidence that they won’t be dealing with a puddle. But they don’t soak up as much liquid as a diaper, they are instead designed to give toddlers (and parents) the crucial early warning and reach the goal of potty training. | 【USA Quality & Innovation】All the fabric of our Toddler training underwear for boys is ingredient-Organic, Global Recycle and No Chlorine. Outer layer is 100% cotton. Inner layers are cotton+muslin+TPU, increasing maximum softness and the absorption of urine. It is cloud-soft to wear and kind to sensitive skin, helping to prevent diaper rash. Machine-wash, Dryer-Safe, Washable, Durable and reusable for multiple uses | 【Snug Fit 】 Comfy stretch waistband and leg hole for greater fit and easy to pull up and down. Washable and reusable design save you tons of money from disposable diapers. If your kid is a total unicorn lover, this set will become the best choice for you! | 【Size for Potty Training Pants】2T (waist 13.4in, height 33.5in, weight 24.3-26.5lbs), 3T (waist 14.2in, height 37.4 in, weight 26.5-30.9lbs), 4T (waist 15in, height 41.3in, weight 30.9-34.5lbs), 5T (waist 15.8inches,height 45.2in, weight 34.5-38.6lbs). 6T (waist 15.6inches,height 49.2in, weight38.6-43.5bs). 7T (waist 17.4 inches,height 53.2in, weight43.5-47.5bs).