SLIM:

A belt-like adjustable elastic book band by Hightide. 

Can hold books up to size 5.8" x  8.3" (A5).

Dimensions: (W)5.7"(adjustable) x (H)0.7" x (D)0.2"

WIDE:

A belt-like adjustable elastic book band in stripes by Hightide. 

Can hold books up to size 5.8" x  8.3" (A5).

Dimensions: (W)5.7"(adjustable) x (H)0.9" x (D)0.3"