Design Ideation brand WIRE BOUND SKETCH books are archive quality multi-media sketchbooks. Each pad style sketchbook is constructed for durability and longevity. The heavy front cover offers project tough sustainability. The extra heavy back cover provides sturdy backing for sketching when extra support is needed. Design Ideation sketchbooks are fitted with multi-media sheets that are suitable for ink, graphite, charcoal, marker and watercolor paints. The exceptionally thick sketching sheets won't bleed through and will stand the test of time. Every Design Ideation brand wire bound and spiral bound SKETCH book is made in the USA.