Understanding the difference between back-seam and block-bottom PP woven bags can help you choose the right packaging.
Back Seam Bags
Structure: Flat tubular body with a center seam.
Advantages: Lightweight, economical, easy to produce.
Best For: Animal feed, pet food, rice, and similar granular products. See Back Seam Woven Bags.
Block Bottom Bags
Structure: Rectangular glued base forming a flat, box-like shape.
Advantages: Excellent shelf presentation and stacking stability.
Best For: Fertilizer, flour, and chemical packaging. Visit Block Bottom Bags.
Choosing Between the Two
Need premium look and stability → Block bottom.
Need cost efficiency and light weight → Back seam.
Both types offer durability and print quality. Sino Topway provides professional guidance to match your product requirements and market goals. Contact us for customized structural designs.
