Product Features Multiple layers absorb urine instantly, leaving the surface dry and smooth. The waist area is made with ultra fine non-woven fabric which prevent irritation on your baby's skin. Firmly attach onto material to keep the diaper in place even when pulled Air Speed Wave Sheet Made with superior absorbent materials that is able to absorb urine up to 12 hours* *Absorption hours may vary according to the urine amount of each baby. Powerful Absorbent Core No more worries on leakage ! Powerfully absorb and locks in urine up to 12hours. Baby needs a goodnight sleep to grow healthy and happy. With the New Speed Wave sheets that absorbs urine quicker than ever, this will leave your baby's skin completely dry. Now your baby can enjoy a goodnight rest!