... insole, cushion,chairs,shoe insole,shoe upper Thickness: 0.5m,0.8m,1m,3m,5m two layers compound material ;upper ... material is "Polyester tricot shoe fabric " pp non ... fit Used in: : lining, insole, cushion,chairs,shoe insole,shoe upper. Good breathability. Durable. Environmentally-friendly. no ... any special sample, shoe insole spong with fabric two layers