Structure: 3 layers composition of the wall， breathable， solid and smooth.        Fabric: Main Fabric: PP non-woven fabric (with bamboo charcoal granules)        Color: gray Packing        Function: Used for Bra， underwear or neckties.        Sales Model: Mix Order        net weigh: 450g        material:polypropylene nonwoven cloth (including bamboo charcoal fiber) handle: polypropylene nonwoven cloth         Windows: polyethylene smic: paper (recycled paper)        design:safe button;extra cover page;details available in the pictures