A disposable belt for use with an absorbent product and a belt system is provided. The disposable belt includes a length of belt material and a hook material patch connected to a first surface portion. The length of belt material has a first major surface and an opposite second major surface, and includes a loop surface structure. The hook material patch is flat and has a first side facing away from the first surface portion, and a second side abutting against the first surface portion. The first side is provided with a first hook surface structure. The second side of the hook material patch is provided with a second hook surface structure, and the second hook surface structure engages with the loop surface structure. The belt system includes the disposable belt and a second length of belt material.