A resin syringe comprises: a syringe body made of polyolefin, and a printing layer printed on at least a part of an outer surface of the syringe body, wherein the printing layer comprises components including chlorinated polypropylene having a degree of chlorination in a range of 15 to 30%, a colorant, and a filler, wherein a plurality of recessed portions are formed in the outer surface of the syringe body on which the printing layer is printed, and wherein each of the plurality of recessed portions has a depth of 50 nm or more and less than 1 μm and a width of 50 nm or more and less than 1 μm and is filled with at least one of the components of the printing layer.