Ucanpack 20x18"Corrugated Cardboard Sheet Green Made in USA- (White Back) 100 Pcs Corrugated Sheets For DIY Crafts Supplies, Inserts, Shipping, Dividers, Mailing, School Projects

20 x 18" B Flute apx. 1/8" thickness corrugated cardboard sheets Machine finished surface ensures high color fidelity & outstanding finish Use as craft supplies, display inserts or to separate items