; (B) shall apply current safe sleep guidelines published by a professional pediatric organization; and (C) may provide safe sleep-related products to families at no cost or at reduced cost that have published, peer-reviewed evidence to support safer sleep environments for infants through age one; or (2) build capacity in professionals working with families to support safe sleep. (d) Safe-Sleep products Any product related to safe sleep for an infant that is provided under subsection (c)(1)(C) shall— (1) be a full-sized crib, a non-full-sized crib, or a play yard; (2) provide a flat surface; (3) not include a supplemental mattress or soft bedding