Cov hnab yas grey xaim yog ua los ntawm cov khoom siv hluav taws xob zoo tsim kua muag-resistant polyethylene nrog zoo nro, uas tuaj yeem tiv thaiv koj cov khoom kom tsis txhob raug torn thaum lub sij hawm thauj mus los, thiab muaj cov dej tsis zoo los tiv thaiv cov khoom los ntawm kev ntub dej.
Lub hnab xa ntawv polyethylene ruaj khov ua ke nrog lub hnab thiab daim kab xev, uas zoo heev txhim kho kev ntim khoom. Grey hauv ob sab phlu ntawm lub hnab xa ntawv polyester txhim khu kev ceev ntiag tug ntawm cov khoom. Tsis tas li ntawd, lub hnab ntawv shipping no muaj zog adhesiveness, anti-tampering, thiab txo cov kev pheej hmoo ntawm tub sab ntawm cov khoom.
