Lightweight, yet cushioned and strong- 0.25" thick mat offers extra padding with the convenience of being thin enough to roll-up and take anywhere! Mats roll up into compact roll to fit in gym bag. Polymer environmental resin yoga mats comply with the European Environmental Protection test standard. No phthalates, dioxin, furons, phenol, or heavy metals. Non-skid  mat surface offers traction during exercise and prevents mat from sliding on flooring. Mats measure 68" long x 24" wide x ¼" thick.