- Overall Length - Head to Toe: 52''
- Mattress Fill Material: Cotton
- Hypoallergenic: Yes
- Antimicrobial: Yes
- Double sided mattress grows with your child. A firm inner coil spring works together with Flex edge clips to provide extra side edge support and safety when baby starts to pull themselves up to a standing position or when the mattress is used with a toddler bed. Blended cotton provides a firm supportive sleep surface to baby while the toddler side offers Certitude-US certified convoluted foam for additional comfort.