8.5 x 11 White Chipboard - Cardboard Medium Weight Chipboard Sheets - White on One Side - 25 Per Pack

1mm Thickness 210*297mm Cardboard Cards Hard Board Paper Sheets white Cardstock

Coroplast 48 in. x 96 in. x 0.157 in. (4mm) White Corrugated Twinwall Plastic Sheet (10-Pack) WC4896-10 - The Home Depot

24 x 36 200 lb Corrugated Pads - White

HNGSON 10PCS Chipboard Sheets White Kraft Cardboard Paper 210×148×2mm Cardboard Sheets for Picture Frame Backing, Scrapbooks, Prints

Pollycor Corrugated Plastic Sheet - Commercial Plastics Depot

Idl Packaging Cardboard Edge Protectors 2 inch x 2 inch x 3 inch, Pack of 50, White, 0.160 inch Thick

Palight White Foam PVC Sheet (Actual: 12-in x 12-in)

White Cleanroom Paper 11 x 17 24 lb.

PINGEUI 50 Sheets 5 x 7 Inch White Chipboard, Medium Weight Chipboard Sheets, White Cardboard Sheet for Scrapbooking, Frames, Art, Prints, DIY Project

0.45mm 0.6mm Thick White Absorbent Drink Coasters Cardboard Paper Sheets