Sturdy and professional. These bookboards are .098" thick and 9.5" x 13". Tough to cut, but that is what makes them so strong.
Peg Perego Ride-Along Board – Lakeland Baby and Teen Furniture
ARTIST BOOKS - Mermaid Bindery
How to Create a Hand-bound Sketchbook : 26 Steps (with Pictures
Time Traveler - Center for Book Arts
JUSTARIP Press
20 Pcs Book Board, 80PT 0.086'' Thick Binders Board
Fabric 3-ring Binder Cream Burlap
Package Sent to You: you will receive 20 sheets of book boards, coming in classic brown color, ample and abundant quantity to meet your daily use
20 Pcs Book Board, 80PT 0.086'' Thick Binders Board Chipboard Designer Bookboard Heavy Duty Chipboard Sheets Bookbinding Supplies for Book Binding
Binders Board
2009 Bonefolder Bind-O-Rama
Paper Source Bookboard - 9.5 x 13