4' x 6' x 2.25" Velcro 4 sides. This mat offers superior protection and is lightweight. The Educator is a combination of a 1.25" firm trocellen foam with a 1" Urethane foam for a total thickness of 2.25". This allows for stable footing with superior cushion. Great for all grade levels. All stock mats are Blue, however numerous colors are available at a 5% additional charge.