If the presser washing doesn't get you what you want, you could paint it with a stencil.
Ọ bụrụ na nhọrọ ntinye n'ime igbe adịghị enye gị ihe ị chọrọ, ịnwere ike ịmepụta bọtịnụ bọtịnụ na-eji 'bọtịnụ' bọtịnụ.