Designed with the environment and your toddler’s future in mind, this Jay-Be® Toddler mattress is hypoallergenic and constructed with a medium firmness spring core. Topped with a High-Density Eco-insulator to prevent spring feel, and breathable e-Fibre comfort layers for durability and comfort, it offers substantial support for growing bones and muscles. Unlike foam, the unique structure of e-Fibre enables the free flow of air through the mattress, actively reducing moisture build up and helping to regulate body temperature. Jay-Be e-Fibre is also free from harmful VOC emissions.