3mm 5-PLY Self-Healing Cutting Mat.

There are 5 layers, the layers (1)&(5) are 0.08mm PVC sheet, the inner layers (2)&(4) are 0.92mm soft PVC, the center layer (3) is 1mm hard PVC.

21239-1L :900 x 600mm (36" x 24")

21239-2L:  600 x 450mm (24" x 18")

21239-3L: 450 x 300mm (18" x 12")

21239-4L: 300 x 220mm (12" x 9")