Natural oxhide leather of Randoseru(Backpack)

The natural oxhide leather to use for schoolchild's satchel production has many hides of the ox two years or older.

The quality of a material changes with the food which the place in which a bull is present, and a bull eat, the health condition of a bull, or portions of cowhide.

Since leather will become pliant if the feature of oxhide leather is used for years, the touch which touched leather becomes good. 

　　　　　　　　　　　　　The leather of Randoseru(Backpack)

If a backpack is used for years, a crack crack may occur on the surface of leather. 

However, a crack is a proof which it continued using. 

A crack is difficult to be attached with the surface treatment technology of the latest leather.
moreover, waterproofness and durability -- having improved .