Pottery Barn Kids has partnered with BreathableBaby® to combine their award-winning patented Breathable™ Mesh Crib Liner with our best-selling Belgian Flax Linen bedding collection to help your little one sleep safely. With BreathableBaby, you’ve got this! The Breathable™ Mesh Crib Liner is the first and the best. Unlike padded crib bumpers, this liner keeps your little one’s limbs safely inside the crib without risk of restricted airflow. It is made of lightweight, breathe-through mesh and has been endorsed by doctors. This liner features premium fishnet mesh and Belgian flax linen trim.