Product Features: All around stretchy design : Adapts to baby's movements for a comfortable fit. Breathability : Keep air circulating around baby's skin through the night. Absorb away liner : Pulls wetness and mess away from baby's skin to help keep your baby comfortable. Dermatologically tested and Hypoallergenic. Leg cuffs : Polypropylene nonwoven fabric and spandex (free of natural rubber latex) which ensures proper fit of the diaper and helps prevent leakage. Absorbent Fluff Pulp : Soft, fluffy fibers that are derived from wood pulp to help absorb liquid. Fastening System : Polypropylene and stretch film ensures a secure hold and customizable fit.