Ucanpack 3mm Thick, 38x21" Corrugated Sheets, Made In USA- Blue,50 Pcs Bulk Flat Cardboard Sheet For Inserts, Layer Pads, Dividers, B Flute Sheets For Shipping & Mailer

38 x 21 Inches B Flute approx. 1/8" thick 200 # corrugated board Blue on front and kraft paper on back with B-Flute corrugated structure.. Use as craft supplies, display inserts or to separate items All our sheets are made right here in the USA. Custom branding and size options available