Nook Sleep Systems is the only infant bedding system to consider infant health across platforms of breathability, non-toxicity and cleanliness in the creation of all of its products. Every detail from sleep surface to zipper is carefully questioned, analyzed and tested prior to product release. Independently owned and operated, Nook Sleep Systems operates out of Southern California. Nook source as many local and organic materials and manufacturing processes as possible. Their certified organic wool comes from family-owned farms in Northern California and Oregon.