Mom and Bab Toddler 4 packs potty training pants I Partially water proof Free, same-day shipping. Small orders are sent USPS first class mail and arrive in about 3 days. Larger orders are sent Priority mail. Partially water-proof to help avoid messes while your child gets potty trained Soft cotton is gentle on your baby's skin Snug fit around the legs helps avoid leaks Don't forget about our boys' selection of blue puppy and elephant design