A ball, comprising: a ball body with an internal sphere and a plurality of outer skin members covering the outside of the internal sphere; and self-adhesive members, wherein a) the self-adhesive members are disposed on the surface side of the ball body, b) each self-adhesive member is arranged on at least part of the outer skin members on the outside of the ball body, and c) each self-adhesive member: c-1)includes a self-adhesive material and a reinforcing member (27, 30, 39, 40) impregnated with the self-adhesive material and supporting the self-adhesive material, wherein the reinforcing members (27, 30, 39, 40) are formed in a thin, generally planar-like shape and are made of one selected from: nonwoven fabrics; woven fabrics; knitted fabrics; perforated bodies provided with a large number of holes in thin generally planar objects including sheets or films; mesh-like bodies; forms which include a base and fibers which are attached to a base, wherein the fibers includes artificial turf, mohair, carpet; forms in which many warp threads and many weft threads are woven together; forms in which weft threads are arranged in a stacked manner; and forms in which warp threads are arranged next to each other; or alternatively c-2) includes a self-adhesive material, excluding a reinforcing member (27, 30, 39, 40), impregnated into the surface side of each outer skin member to allow at least one portion of each outer skin member to be a reinforcing portion and to function as the reinforcing member (27, 30, 39, 40) for the self-adhesive material. a ball body with an internal sphere and a plurality of outer skin members covering the outside of the internal sphere; and self-adhesive members, wherein a) the self-adhesive members are disposed on the surface side of the ball body, b) each self-adhesive member is arranged on at least part of the outer skin members on the outside of the ball body, and c) each self-adhesive member: c-1)includes a self-adhesive material and a reinforcing member (27, 30, 39, 40) impregnated with the self-adhesive material and supporting the self-adhesive material, wherein the reinforcing members (27, 30, 39, 40) are formed in a thin, generally planar-like shape and are made of one selected from: nonwoven fabrics; woven fabrics; knitted fabrics; perforated bodies provided with a large number of holes in thin generally planar objects including sheets or films; mesh-like bodies; forms which include a base and fibers which are attached to a base, wherein the fibers includes artificial turf, mohair, carpet; forms in which many warp threads and many weft threads are woven together; forms in which weft threads are arranged in a stacked manner; and forms in which warp threads are arranged next to each other; or alternatively c-2) includes a self-adhesive material, excluding a reinforcing member (27, 30, 39, 40), impregnated into the surface side of each outer skin member to allow at least one portion of each outer skin member to be a reinforcing portion and to function as the reinforcing member (27, 30, 39, 40) for the self-adhesive material. a) the self-adhesive members are disposed on the surface side of the ball body, b) each self-adhesive member is arranged on at least part of the outer skin members on the outside of the ball body, and c) each self-adhesive member: c-1)includes a self-adhesive material and a reinforcing member (27, 30, 39, 40) impregnated with the self-adhesive material and supporting the self-adhesive material, wherein the reinforcing members (27, 30, 39, 40) are formed in a thin, generally planar-like shape and are made of one selected from: nonwoven fabrics; woven fabrics; knitted fabrics; perforated bodies provided with a large number of holes in thin generally planar objects including sheets or films; mesh-like bodies; forms which include a base and fibers which are attached to a base, wherein the fibers includes artificial turf, mohair, carpet; forms in which many warp threads and many weft threads are woven together; forms in which weft threads are arranged in a stacked manner; and forms in which warp threads are arranged next to each other; or alternatively c-2) includes a self-adhesive material, excluding a reinforcing member (27, 30, 39, 40), impregnated into the surface side of each outer skin member to allow at least one portion of each outer skin member to be a reinforcing portion and to function as the reinforcing member (27, 30, 39, 40) for the self-adhesive material. c-1)includes a self-adhesive material and a reinforcing member (27, 30, 39, 40) impregnated with the self-adhesive material and supporting the self-adhesive material, wherein the reinforcing members (27, 30, 39, 40) are formed in a thin, generally planar-like shape and are made of one selected from: nonwoven fabrics; woven fabrics; knitted fabrics; perforated bodies provided with a large number of holes in thin generally planar objects including sheets or films; mesh-like bodies; forms which include a base and fibers which are attached to a base, wherein the fibers includes artificial turf, mohair, carpet; forms in which many warp threads and many weft threads are woven together; forms in which weft threads are arranged in a stacked manner; and forms in which warp threads are arranged next to each other; or alternatively c-2) includes a self-adhesive material, excluding a reinforcing member (27, 30, 39, 40), impregnated into the surface side of each outer skin member to allow at least one portion of each outer skin member to be a reinforcing portion and to function as the reinforcing member (27, 30, 39, 40) for the self-adhesive material.