Provided is an ultrasmall-sized fixing tape suitable for a disposal tape for an absorbent article, such as a disposable diaper, a sanitary napkin, or an incontinence pad. The ultrasmall fixing tape of the present invention includes: an extending portion； and a non-extending portion that is substantially free from extending, in which: the non-extending portion includes securing means in at least part thereof； the ultrasmall fixing tape has a base material layer B； the base material layer B has a thickness of 50 µm or more； and the base material layer B has an upper yield strength in a longitudinal direction thereof at a temperature of 23 °C and a humidity of 50% of from 5 N/25 mm to 15 N/25 mm.
