From the Manufacturer
The versatile 2 in 1 Organic Cotton Ultra will grow with your child for many years. It is waterproof on one side, and quilted on the other. The waterproof side is perfect for infants, while the quilted side provides a more luxurious "feel" for older children. Exclusive Dual Firmness Design: TOP - Firmer Waterproof Side for Infants. Features the same waterproofed organic cotton surface as our Ultra model which provides a firm flat surface and waterproof protection (See MC40). BOTTOM - Softer Quilted "Grown Up" Style for Toddlers. Features a quilted organic cotton bottom cover for a more mature mattress surface resembling a conventional adult mattress (See MC50). Please note that the quilted bottom side is not waterproof and requires the No-Compromise Organic Waterproof Pad. Made entirely in the U.S.A.
Product Description
The versatile 2 in 1 Organic Cotton Ultra will grow with your child for many years. It is waterproof on one side, and quilted on the other. The waterproof side is perfect for infants, while the quilted side provides a more luxurious "feel" for older children. Exclusive Dual Firmness Design: TOP Firmer Waterproof Side for Infants. Features the same waterproofed organic cotton surface as our Ultra model which provides a firm flat surface and waterproof protection (See MC40). BOTTOM Softer Quilted "Grown Up" Style for Toddlers. Features a quilted organic cotton bottom cover for a more mature mattress surface resembling a conventional adult mattress (See MC50). Please note that the quilted bottom side is not waterproof and requires the No Compromise Organic Waterproof Pad. Made entirely in the
USA.
http://www.amazon.com/Naturepedic-Organic-Cotton-Ultra-Mattress/dp/B000YS059Y/ref=sr_1_3?s=baby-products&ie=UTF8&qid=1374080446&sr=1-3&keywords=organic+latex+mattress