Product details:

Serta's Nightstar Glow crib and toddler mattress is designed with all the features you'd hope to find in your child's first mattress. A waterproof and stain resistant vinyl cover, cloth binding for long-lasting durability, plus a lightweight construction that's finished with square corners to help with a secure fit inside the crib. + Firm high density thermo bonded polyester fiber. + Light weight for easy changing. + Square corners for secure fit inside the crib. + Waterproof and stain resistant vinyl cover. Cloth binding. + Green Guard Gold Certified. + Meets or exceeds Federal safety standards.