breathable, stretch, comfortable, anti-fire , soft for the mattress cover, car seat cover, thickness can be 5mm, 8mm, 10mm, ... mattress cover, car seat cover, thickness can be 5mm, 8mm, 10mm, 15mm.middle yarn is nylon yarn. surface and back is polyester ... proof.it is a good choice for adult and baby mattress, car seat cover. spacer mesh fabric