8-Pack) CalPalmy 11” x 14” MDF Boards - 1/4” Thick High-Quality Sheet Boards for Carpentry, Interior Design, Hobby Crafts, and More - with Smooth, Unfinished Sides and Sanded Edges : Amazon.ca: Home
6 Pack Unfinished Wood Rectangles for Crafts, 1/4" Thick MDF Boards for DIY Projects (5 x 15 in) : Amazon.ca: Home
MDF Full Sheets 2440mm x 1220mm (8' x 4') - Atlantic Timber