Make up yarn courage ball

The utility model provides a make up yarn courage ball, including the inner tube of a tyre (3) of the ball -type of laminating in order from inside to outside, twine yarn layer (2) and exodermis (1), the surface of the inner tube of a tyre (3) has twined yarn shape layer, it is in to twine yarn layer (2) solderless wrapped connection the surface of the inner tube of a tyre (3), exodermis (1) sets up and is twining yarn layer (2) surface. The utility model has the advantages that: preparation simple process, the football volleyball of producing have better gas tightness, spring nature, intensity and striking wear resistance and outstanding circumference. The utility model discloses gas tightness, spring nature, intensity. The circumference all is higher than the like product.