MATERIAL:Our baby training underwear made of premium cotton muslin and waterproof layer of TPU.Soft and breathable and kind to sensitive skin that could prevent diaper rash. POTTY TRAINING:This baby training underwear is good for potty training.7 layers of the crotch which effectively containing small accidents,reducing leakage risks.They don't absorb as much liquid as diapers,their design is help toddlers to learn physical signs that it's time to go potty.These potty training underwear can't be used as diapers at night,unless your child can control their bladder at night. COMFORTABLE FIT:Comfortable stretch waistband and leg hole for greater fit and easy to pull up and down.Washable and reusable design offers a cost-effective alternative to disposable diapers. ADORABLE PATTERN:These underwear have cute cartoon pattern,your little one will enjoys these pattern.We also will update more lovely cartoon pattern for your choose. CARE INSTRUCTIONS:Machine washable,do not bleach,tumble dry low,do not iron,do not dry clean.It is recommended to wash in water before wearing to maximize its effectiveness