Colgate extra comfortable 2" thick play yard mattress. Fits play yards with interior dimensions of 26" X 37". White quilted cover is waterproof and easy clean with damp cloth and mild soap. Mattress is Greenguard certified to have no harmful air emissions. Mattress can be used on either side unlike lower quality mattresses. Mattress size: 26.0"W X 37.0"L X 2.0"H. Buy this mattress with confidence because it is made by Colgate, The Crib Mattress Specialist, who has been making mattresses and trusted by parents for over half a century. Made in Atlanta, Georgia, USA.