Excellent purse design (5)
I believe the answer is:
super
'excellent' is the definition.
(I've seen this in another clue)
'purse design' is the wordplay.
'design' is an anagram indicator.
'purse' anagrammed gives 'SUPER'.
(Other definitions for super that I've seen before include "Brilliant" , "of high quality" , "Prefix meaning over or extremely" , "Prefix meaning above or informally great" , "Peachy" .)