Three fold design closed cell wipe clean embossed eva foam with double hinge construction reversible and non slip folds for storage or for extra cushioning when doing sit ups or crunches perfect for gym use as lots of mats can be stacked in a small place or for fit pros who need to carry a number of mats for group classes size 134cm x 50cm x 9mm open 45cm x 50cm x 30mm folded weight 600g