The Fresh Air Crib Liner is carefully crafted and expertly designed in consultation with pediatricians, nurses and physical therapists for your baby to sleep safely and you to sleep soundly. The Fresh Air Crib Liner in classic navy and white is the safe crib bumper alternative. It's adjustable to fit most 4-sided slatted cribs, locking in place a protective liner of transparent and ventilating mesh. This breathable, single-layer mesh provides fresh airflow for safe sleep as well as visibility for peace of mind. Designed with full back panel coverage to keep your baby securely nestled inside the crib. Easy one-time installation secures the liner in place even during sheet changes. At Just Born, we understand the first few months of a baby's life help to lay the foundation for sleep and wellness. That is why we created the Just Born Well Sleep Collection, a line of baby products that give you fewer reasons to worry and more time for you to focus on bonding with your baby. Each item is carefully crafted and expertly designed in consultation with pediatricians, nurses and physical therapists for your baby to sleep safely and you to sleep soundly. From soft nursery bedding and sleepwear to blankets and bath time basics, Just Born is the best thing next to baby. guaranteed.