Designed with advanced health, safety and comfort standards, the Starlight Support Mattress from Moonlight Slumber is the answer to all your concerns. Completely antcimicrobiaal with welded seams. premium fabric, square corners and edges and two levels of firmness, each Starlight Support Standard mattress comes standard with an internal fire barrier making it open flame resistant. The Starlight Support Supreme Mattress exceeds all curent and planned Federal Standards for fire safety and is quite simple the best mattress available. The toddler side is layered with viscoelastic foam "memory foam" for added comfort.