Breathable Baby Mesh Liner is recommended and tested by Leading Pediatricians. This Baby Mesh reduces the risks of suffocation, entanglement and climbing. It is made with exclusive fabric with A.C.T. Air Channel Technology that promotes airflow and helps maintain air access. Soft and padded, keeps little limbs safely inside the crib. Machine washable and fast drying. Adjustable to fit Standard 4-sided Slatted Cribs, Solid Back, Solid Front, and Solid End Cribs.