To provide an integrally-sewn cover-like product simultaneously including characteristics of elasticity and a rolled edge.

This integrally-sewn cover-like product of a kind of an integrally-sewn elastic cover-like structure with a single opening is such that connection parts of the half of the cover-like product made of two thermoplastic raw materials are each connected, a single opening is in the cover-like product, and a rolled part 12 of an integral structure is on the end of the opening. The cover-like product is made of at least one layer thermoplastic raw material, and the thermoplastic raw material has excellent elasticity and is recyclable.