Ucanpack 3mm Thick Corrugated Cardboard Sheet 100 Pack, 31x15" White Corrugated Board Sheets Large, Packaging Sheet, Inserts, Shipping, Dividers, Mailing, School Projects

31 x 15 Inches B Flute approx. 1/8" thick 200 # corrugated board White 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