... Well-ventilated for the fabric; 3.Air mesh fabric, sandwich mesh fabric, spacer fabric,3D spacer fabric, The sandwich mesh fabric have three layers ... per roll in polybagair mesh fabric, air mesh,sandwich mesh fabric, spacer fabric,3D spacer fabric, bag fabric, shoes fabric Material: 100% Polyester Supply Type ... depends on your request Thickness: 3mm Shoes Sandwich Mesh Fabric For Bags,Shoes&Mattress