"pasted valve bags"

通常80〜120グラムの多層紙袋、包装用高引き裂き抵抗

Typically 80-120 Grams Per Bag Paper Valve Sacks Featuring Corner Valve or Center Valve Position and High Tear Resistance for Packaging Product Description: The paper valve bag is crafted from high-quality multi-layer kraft paper, offering excellent tear resistance and durability. It is specifically ...