Literature Mailer Literature Mailer Type Reinforced Wall Type Single Wall Inside Length 4 in Inside Width 3 in Inside Height 1 in Inside LxWxH 4x3x1 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-5121 Package Quantity 50