Your little one will slumber safely and happily with this Naturepedic bundle. The Naturepedic Lightweight Organic Cotton Classic 2-Stage Crib Mattress is a durable, safe, and still comfy choice for baby. Layers of luxurious organic cotton batting create the perfect balance of firmness and comfort. The 2-stage firmness design provides a firm side for infants and a cushion firm side for toddlers. The Ultra Breathable Crib Mattress Pad is designed to maximize airflow between baby and the mattress, and the Organic Cotton Sateen Bassinet & Crib Sheets tie everything together with luxurious organic cotton. Check out our blog for more info on dual firmness crib mattresses here. Includes: Naturepedic Lightweight Organic Cotton Classic 2-Stage Crib Mattress (NP-MC34) Naturepedic Ultra Breathable Crib Mattress Pad (PC47) Naturepedic Organic Cotton Sateen Bassinet & Crib Sheet Set in White (SC50W3) Mattress Features: Organic cotton waterproof fabric doubles as a dust mite and bed bug barrier Organic cotton filling Firm, comfortable support Seamless waterproof edges Allergen friendly design Passes all federal and state flammability standards without any fire-retardant chemicals Organic and GreenGuard Gold Certified Made in the USA with a Lifetime Limited Warranty Dimensions: 28L x 52W x 6D Mattress Pad Features: Organic cotton fiber over a breathable mesh layer Allergen-friendly design Breathable surface keeps baby cool and dry Machine wash warn, tumble dry low Dimensions: 28L x 52W Sheet Set Features: Includes 3 white fitted sheets 300 count sateen sheets 100% organic cotton Machine washable Full elastic perimeter for a secure fit Dimensions: 28L x 52W.