... needle space are available:20F, 14F, 22F. Environmental Shoe material: STITCH BONDED NONWOVEN FABRIC Thickness: 0.6mm-1.2mmWidth: 44",54",60 ... "Material: PETColor: white, blackUsed in: lining of shoes, bags, toys, packaging ... tensile strength, durable, environmentally friendly, air permeable. Stitch Bonded Nonwoven Fabric