Literature Mailer Literature Mailer Type Reinforced Wall Type Single Wall Inside Length 12 in Inside Width 3 1/2 in Inside Height 3 in Inside LxWxH 12x3-1/2x3 in Board Test 200# Wall Thickness 1/8 in Fluting Profile B Flute Material Corrugate Color White Post-Consumer Recyclability 100 Percent Standards ASTM-D-5185 Package Quantity 50