Mattress: A very good quality / price ratio mattress to equip baby EVOLVING: - Winter side: quilted fabric to keep baby warm. - Summer side: cotton polyester fabric that guarantees your baby an optimal temperature. COMFORTABLE: Polyurethane foam core with a density of 16 kg / m3. Clever: A 'winter side' band sewn onto the mattress to easily identify the sleeping sides. MADE IN FRANCE ANTI-MITE / ANTI-BACTERIAL / ANTI-MOLD Inclined plane: Inclined plane for baby's well-being TILT 15 °: Raises baby's head to ensure better sleep. EASY INSTALLATION: Slips between mattress and fitted sheet. REMOVABLE For 60x120 bed