Smooth nylon Height 17.25in / 44cm Width 11.75in / 30cm
Coated canvas Height Height: 18in / 46cm Width Length: 14.25in / 36cm
Coated canvas Height 15.75in / 40cm Width 13in / 33cm
Coated canvas Height 16.25in / 41cm Width 13.75in / 35cm
Cowhide Height Height: 16.5in / 42cm Width Length: 13in / 33cm