They are part of the texture, so they won't come off unless you use another one (should be in your poses folder).  If you don't have any others besides the basic v4, you can try DLing a legal freebie.

WARK!

Thus Spoketh Winterclaw: a blog about a Winterclaw who speaks from time to time.

 

(using Poser Pro 2014 SR3, on 64 bit Win 7, poser units are inches.)