The only 2 in 1 fitness mat that doubles as a block for added versatility in your workouts and extra support for whichever way you move. This reimagined yoga mat is twice as thick and super lightweight. Features: 12mm thick when flat Fold your mat once or twice for extra cushion for your joints Completely fold the mat for a block that can be used for tricep dips, push-ups, planks, lunges, and more Unique, lightweight foldable design makes for easy storage for at home or on-the-go  12 mm thick, 69" L x 24 W" Flat, 12" L x 3" H x 24" W Folded