special shaped paper tubes

Engineered from heavyweight triple-layer kraft paper, these Tri Square Shaped Paper Tube Boxes revolutionize eco-friendly packaging with geometric strength. Three square paper tube box with triangular structure for stability (compared to round tube+30% corner protection), interlocking cover for moisture-proof and sensitive materials, adaptable to multiple scenarios, adjustable size, fully biodegradable to help zero waste. Flexible manufacturing: 1,000-unit minimums and 300 thousand monthly output. Transform your square tubes with bold graphic prints and precision effects: SPOT UV highlighting angular contours or HOT FOIL corner detailing. Packaging engineered for modern brand aesthetics.