The Simmons Kids Dreamwell Supreme 234-Coil Baby Crib is the most comfortable and luxurious mattress you can give your child. This baby crib mattress uses innerspring technology that ensures that the mattress is firm and comfortable. Designed to fit your child's crib perfectly, this toddler crib mattress is suitable for children up to 4 years old. The mattress offers firm support that ensures your baby sleeps comfortably all night long. The Simmons baby crib mattress has 234 coils, which are interlocked to offer extra support. It has a hypoallergenic vinyl cover that ensures your baby has a comfy and healthy sleeping surface. The Simmons Dreamwell Supreme mattress is safe for your baby. The solid construction of the mattress ensures that it lasts for years and the surface is water resistant for easy cleaning.