Crafted from DuPont CORDURA CORDURA fabric. Super cost-effective There are two main differences between 1000D and 500D fabrics: the thickness is different (note: 1000D fabric is relatively thick, 500D fabric is relatively thin and feels Plaid) specification size: (small size) length 20cm * width 12cm * thickness 6cm (Medium size) length 29cm * width 18cm * thickness 9cm (Plus size) length 38cm * width 23cm * thickness 11cm