The Sealy Signature Posture Perfect Superior Firm crib and toddler bed mattress is engineered with firm steel innerspring coils and multiple firmness and comfort layers for superior posture support.

• 168 interwoven innerspring coil system offers a lifetime of durability and firmness
• Full perimeter border rods will keep the sides, corners and edges firm just like an adult mattress
• 6 EverEdge side and corner protectors keep edges supported
• 2 hypoallergenic layers for extra firmness, cushioning and loft that creates a supportive sleeping surface
• Waterproof lock-stitched seams create a surface that can be entirely wiped clean and the inside and outside are protected
• Entire mattress is GREENGUARD? Gold Certified for indoor air quality and low chemical emissions to help create a healthier sleeping environment for your baby
• Proudly made in the USA
• 35 year warranty on workmanship and materials
• Dimensions: 51.63 L x 27.25W x 5.50H
• Weight: 13.28 lbs