"pasted valve bags"

일반적으로 80-120 그램 다벽 가방 포장용 높은 찢기 저항성

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 ...