Why Breathable? Our patented Breathable Mesh Crib Liner is safer than traditional bumpers. Made with our signature A.C.T. Air Channel Technology fabric to maximize air flow, reduce the risk of suffocation, re-breathing carbon dioxide and getting arms and legs stuck in crib slats. The Ultra Luxe liner with elegant style, breathable textured fabrics and even more luxurious quilted designs. Features our No-Gap-Wrap covers 4 corners of the crib for more protection.