The EverTrue™ Serene Full is a 7”, full size, foam children’s' mattress designed with advanced health, safety, and comfort standards. The Serene offers two levels of firmness to extend the life and use of your mattress. It features our exclusive SecureCore Technology™ engineered to enhance air circulation. A breathable honeycomb mesh fabric spacer is air permeable to provide superior core mattress ventilation. The unique pressure relief technology continuously adapts to each child’s position providing natural airflow and continuous support where your child needs it most. The Serene features an eco-friendlier foam using plant oils, that is CertiPUR-US® certified safe. Our inverted seam design means a bed bug and dust mite proof sleep environment for your child. Parents will appreciate our easy to clean Medical grade nylon waterproof cover. Like all Colgate mattresses, the EverTrue™ Serene is GREENGUARD ® Gold certified, CPSIA compliant, and compliant with all federal and state flammability requirements – without the use of fire retardant chemicals. Your EverTrue™ Serene Full is proudly handcrafted in the USA by Colgate, The Crib Mattress Specialist®, a family-owned and operated business dedicated to baby’s safety since 1955.