Made Of 2mm RPET Felt. Made From Post Consumer Recycled Materials. Recycled Polyester (rPET) is Obtained By Melting Down Existing Plastic Bottles And Other Material Sources To Create New Polyester Fiber. Large, Open Main Compartment. 5" Gusset. Spot Clean/Air Dry. This Material Is Recyclable In Limited Facilities In The US. Consumers Should Check Their Local Recycling Capacities Before Placing In Their Recycling Bins.