Toned sketch paper is ideal for light and dark media including graphite, chalk, charcoal, sketching sticks, markers, China markers, coloured pencils, pens and white gel pens.100Percentrecycled, and contains 30percentpost-consumer fibre.Wire bound with actual size sheets when removed trimmed at the wire binding.Acid free.36kg medium surface 50 sheets per pad.This item is manufactured in United States.