XL MIX MEDIA WB 60 MICRO PERF SHEETS 9X12 Designed to appeal to students, these mixed media pads combine performance with value. They feature 98 lb. micro-perforated, heavy-weight sheets with heavy sizing for watercolor, acrylics and dry media. The sheet surface provides for superior blending. The rough version features 114 lb. heavy-weight paper with a coarse surface texture that accepts wet media and dry pigments. Each pad contains 60 sheets and rough pads 50, unless noted otherwise.