Nylon material. Available in different sizes.
Size 1 :Length: 15cmWidth: 39-51cm
Size 2:Length: 17cmWidth: 43-64cm
Size 3:Length: 21cmWidth: 53-77cm
Size 4:Length: 27cmWidth: 62-90cm
Size 5:Length: 29cmWidth: 57-83cm
Size 6:Length: 31cmWidth: 61-83cm