5-10 mm sandwich air mesh fabric purified cotton used on mattress,garments,bags,sofa, sofa chairs,car seat, ... , such as PU, PVC, TPU... 6. Compounded with fabrics, leather, sponge, EVA, RB… 7. FREE SAMPLE BOOK be sent at requestedthe ... outsideboth sides stick with the shipping marks 5-10mm purified cotton sandwich air mesh fabric for mattress