A roll-shaped thermosensitive recording material having a thermosensitive
recording layer, which includes as main components an electron donating
coloring agent, an electron accepting color developer and a binder resin
and which is formed overlying a substrate, wherein the roll-shaped
thermosensitive recording material has a variation (R) of thickness of in
the lateral direction of not greater than 3 .mu.m. Alternatively, the
roll-shaped thermosensitive recording material has a difference in
thickness between the left side and the right side in the lateral
direction of not greater than 0.7 .mu.m.