The cleaning sheet 1, wherein said ultrafine fibers containing portion further contains {TAIL ~ thick fibers} having {HEAD ~ a fiber diameter} larger than those of said first and second ultrafine fibers 
The cleaning sheet 1 , wherein said ultrafine fibers containing portion further contains { TAIL ~ thick fibers } having { HEAD ~ a fiber diameter } larger than those of said first and second ultrafine fibers
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH