12OZ canvas black custom cheap sack pack we are a professional exporter and manufacturer for different kinds of bag with many year's experience.all materials base on customer's requirement can pass test of AZO free,low cadmium, LFGB food safey, FDA,REACH1)sack pack-- description 4)Our advantages1) Global Leading Professional Manufacturer of backpacks2) Product Quality:Superior fabric,stable,guarantee quality3) Testing Report: ISO 9001:20084) Monthly Production Capacity: One Hundred Thousand Pieces5) Fast Delivery: Get your order when you need it6)Digital designs of products before samples are made for shorter production times. 5)Factory tourWe serviced OEM customers as belowPlease contact us to get our exact certifications.We welcome you visit our factory&show room,we can pick up you from Ximen or Jinjiang Airport.Best Service from China Jomin BagsDirect line:(Ms Vicky)86-136 1595 4616 Skype:Vicky0529