6mm, 1/4" x 12" x 24" Baltic Birch B/BB Plywood Sheets
Cardboard Lumber
PRODUCTS
Shina Plywood - 1/4'' 9''x12'' - MICA Store
Amazon.com: Chipboard Sheets 8.5" x 11" - 100 Sheets of 22 Point Chip Board for Crafts - This Kraft Board is a Great Alternative to MDF Board and Cardboard Sheets
Single Ply Cardboard, One Side White (48"x96") – ARCH Art Supplies
Materials | Free Full-Text | Structural Application of Lightweight Panels Made of Waste Cardboard and Beech Veneer