The tearaway backing is recommended for stable non-stretch fabrics such as denim, canvas, corduroy, and waterproofed fabrics. 

Called "bi-directional", it tears in both directions. 1m wide

Medium – Heavy tearaway white T56W (White) 100cms x 100M $ 58.00 + GST 
Medium – Heavy tearaway black T56B $64.00 + GST
Heavy Tearaway T71W (white) 100cms x 100 M $ 65.00 + GST