Soozier PU Leather Gymnastics Tumbling/Martial Arts Folding Mat, Black, 4 x 8' x 2" Excellent for tumbling, exercise programs, Pilates, stretching, yoga, martial arts, gymnastics, day care activities and many other uses Mat material: 2" thick firm white high density EPE foam Constructed of 4 panels: each 4' x 2' x 2", Meets CPSIA requirements for Lead, Formaldehyde and Phthalate Durable PU Leather Cover: The non-absorbent shell which is fire-retardant, puncture and mildew resistant provides sanitary protection for your workout needs and is sealed by zipper Velcro on all 4 sides of the mat allow for connection to additional mats for tumbling runs