Mead Trapper Keeper Tabbed Dividers with Snapper Trapper, Assorted Colors, 5 Pack (37002) Dividers separate different subjects/papers in a binder. Works great with your Trapper Keeper binder! Reinforced edge of dividers resists tearing. Lightweight paper wont weigh you down. Snapper Trapper is a sturdy plastic strip that enables quick and easy snap-in and snap-out of your 3 ring binder without the hassle of opening the rings. Snapper Trapper feature provides easy stow-and-go ability.