This canvas Hand-Building Worksheet is perfect for potters without their own studio.  It can be laid out on any surface for kneading or wedging clay, or rolling out slabs.
It is made out of 16oz  cotton canvas, and measures 92cm x 60cm.
 
Clay dust is hazardous to your health. When your worksheet gets dusty, rinse it in a bucket of cold water and hang up to dry.