- Overall Length - Head to Toe: 53''
- Mattress Fill Material: Cotton
- Hypoallergenic: Yes
- Antimicrobial: Yes
- The Pebble Air Crib Mattress is a safe healthy sleep space for your baby and it weighs less than your newborn. How do we make this mattress so breathable and comfortable yet keep it so lightweight? This 7-lbs featherweight crib mattress uses a unique combination of CertiPUR-US® foam and thoughtfully placed air channels in the core to maximize airflow.