spring binder

13 LETTERS · STARTS WITH S

spring binder is a valid 13-letter word worth 18 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1P3R1I1N1G2B3I1N1D2E1R1

1 + 3 + 1 + 1 + 1 + 2 + 0 + 3 + 1 + 1 + 2 + 1 + 1 =18 PTS

DOUBLE WORD → 36TRIPLE WORD → 54

MEANING

What does spring binder mean?