1.Size: 28"x6"(Length x Diameter) suitable for mat that the width of the mat is no wider than 26", the length of the mat is no longer than 72", and the thickness no thicker than 4mm/0.16"; Size 32"x5.3"(Length x Diameter) suitable for mat that the width of the mat is no wider than 28", the length of the mat is no longer than 68", and the thickness no thicker than 4mm/0.16"; Size 35"x6"(Length x Diameter) suitable for mat that the width of the mat is no wider than 32", the length of the mat is no longer than 72", and the thickness no thicker than 4mm/0.16".     

2.Material: Oxford cloth with a PVC coating at the inner side.  Waterproof, durable and machine washable.   

3.Fully sealed bag: the mat will be fully sealed inside the bag, so that your mat will not directly contact or mix with your other stuff.    

4.U shape opening with 1 zipper (but color gray has 2 zippers): This design can make you put the mat into bag easier than bags with straight line opening do.                  

5.Adjustable shoulder strap (all 3 sizes of gray color bags have a shoulder pad). The strap of gray 28"x6"and gray 35"x6" can be removable. A simple but functional bag.