White Corrugated Cardboard Mailing Boxes, 4 x 3 x 1 Inches, Pack of 50, Crush-Proof, for Shipping, Mailing and Storing

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