универсальная экономичная плоская алюминиевая фольга упаковочный мешок с тремя боковыми уплотнениями несколько specifications100pcs

model sf-cdlpk-0001 material aluminum coated available size 5*7cm,10*15cm,16*24cm, 24*37cm,6*9cm,11*16cm,18*24cm, 26*40cm,7*10cm, 12*17cm,18*26cm, 30*40cm,8*12cm, 14*20cm,20*30cm,32*45cm,9*13cm,15*22cm,22*30cm,35*50cm available thickness 0.20mm,customized available color blue,red,yellow,green gross weight 0.60kg 100pcs feature good sealing performance, high barrier, ultra-low oxygen permeability and humidity, moisture-proof, pollution-proof, radiation-proof and corrosion-resistant, strong mech