black thin-semi-new material-cost-effective(黑薄-半新料-性价比高) black thick-semi-new material-safety seal(黑厚-半新料-安全密封)

15*25 [buy 100 and get 200 for free, 300 in total]](15*25【买100个送200个共300个】) 17*30 [buy 100 and get 200 for free, 300 in total]](17*30【买100个送200个共300个】) 20*30 [buy 100 and get 100 for free, 200 in total]](20*30【买100个送100个共200个】) 25*35 [buy 100 and get 100 for free, 200 in total]](25*35【买100个送100个共200个】) 20*35 [buy 100 and get 100 for free, 200 in total]](20*35【买100个送100个共200个】) 28*42 [1 bundle/100] not cost-effective(28*42【1捆/100个】不划算) 28*42 [buy 100 and get 100 for free, 200 in total]](28*42【买100个送100个共200个】) 30*42 [1 bundle/100] not cost-effective(30*42【1捆/100个】不划算) 30*42 [buy 100 and get 100 for free, 200 in total]](30*42【买100个送100个共200个】) 32*45 [1 bundle/100]](32*45【1捆/100个】) 35*45 [1 bundle/100]](35*45【1捆/100个】) 38*48 [1 bundle/100]](38*48【1捆/100个】) 38*52 [1 bundle/100]](38*52【1捆/100个】) 40*52 [1 bundle/100]](40*52【1捆/100个】) 42*52 [1 bundle/100]](42*52【1捆/100个】) 40*55 [1 bundle/100]](40*55【1捆/100个】) 45*55 [1 bundle/100]](45*55【1捆/100个】) 40*60 [1 bundle/100]](40*60【1捆/100个】) 45*60 [1 bundle/100]](45*60【1捆/100个】) 45*65 [1 bundle/100]](45*65【1捆/100个】) 50*60 [1 bundle/100]](50*60【1捆/100个】) 50*70 [1 bundle/100]](50*70【1捆/100个】) 60*70 [1 bundle/100]](60*70【1捆/100个】) 50*80 [1 bundle/100]](50*80【1捆/100个】) 60*80 [1 bundle/100]](60*80【1捆/100个】) 17*30 [1 bundle/100] not cost-effective(17*30【1捆/100个】不划算) 20*30 [1 bundle/100 pcs] not cost-effective(20*30【1捆/100个】不划算) 25*35 [1 bundle/100] not cost-effective(25*35【1捆/100个】不划算) 20*35 [1 bundle/100 pcs] not cost-effective(20*35【1捆/100个】不划算)