30cm * about 30 m [2 rolls test pack]](30厘米*约30米【2卷试用装】) 30cm * about 160 m [tight film]](30厘米*约160米【紧膜】) 30cm * about 220 m [tight film]](30厘米*约220米【紧膜】) 30cm * about 400 m [tight film]](30厘米*约400米【紧膜】) 30cm * about 800 m [tight film]](30厘米*约800米【紧膜】) 25cm * about 300 m [tight film]](25厘米*约300米【紧膜】) 25cm * about 600 m [tight film]](25厘米*约600米【紧膜】) 25cm * about 1200 m [tight film]](25厘米*约1200米【紧膜】) 20cm * about 420 m [tight film]](20厘米*约420米【紧膜】) 20cm * about 800 m [tight film]](20厘米*约800米【紧膜】) 20cm * about 1600 m [tight film]](20厘米*约1600米【紧膜】) 35cm * about 350 m [tight film]](35厘米*约350米【紧膜】) 35cm * about 700 m [tight film]](35厘米*约700米【紧膜】) 40cm * about 550 m [tight film]](40厘米*约550米【紧膜】) 45cm * about 400 m [tight film]](45厘米*约400米【紧膜】) 30cm * about 30 m (large roll is cost-effective)(30厘米*约30米（大卷才划算）)

1(1)