Ucanpack 21x11" Flat Corrugated Cardboard Bulk Sheets, Pack of 150 "Made In USA" -Green 1/8" Thick Cardboard Sheets For Inserts Filler, Shipping, Mailers, DIY School Craft Supplies

21 x 11" 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