... PET/VMPET/PE etc.Style:The style can be bottom gusset,side gusset,stand up with press zipper or ... and quantity of the bag.With zipper,side or bottom gusset,hangle hole.The bags can be very huge ... as washing powder,pool powder3) Gamment bags,mainly for underwear,socks,T-shirts4) Styles available:stand up,zipped,heat ... and developmentHangzhou Zhongda Packaging Co.,Ltd , food grade bottom gusset food bags