Polypropylene Slip Cases
Highslide JS

Clear frosted  polypropylene Slipcase with thumb cut for ease of access to binder.  Ideal if you prefer the printing from thebinder to show through.
 
Highslide JS

Polypropylene is the most durable materials of all, this White polypropylene products is litho printed to both the ring binder and slipcase.