Kolcraft is a third generation family-owned and operated baby gear manufacturer and the leading crib mattress manufacturer in the USA. Since 1946 Kolcraft has developed products for infants and toddlers that parents still depend on today. Kolcraft partners with Sealy, Inc., the leading mattress and bedding company in the USA, by licensing its brand and testing new sleep technology to offer safe and supportive crib and toddler bed mattresses that last a lifetime. Since 1994, Sealy brand crib mattresses have grown to become the best selling baby mattresses in the USA. Kolcraft designs and engineers durable innerspring, foam and natural crib mattresses that are tested above any industry standard available for crib mattresses to ensure quality and safety are the top priorities. View more information about the high quality testing standards on Kolcraft and Sealy crib mattresses on Kolcraft’s web site.