Originals carry a Lifespan Guarantee in opposition to maker's defects - expected lifespan of above 200 uses with suitable care Packing tape and duct tape are both powerful, so it is best to pick the 1 that works for your personal circumstance. Packing tape is more rigid than duct tape, https://www.redmontpkg.co.uk/blog/2025/04/11/what-are-corrugated-envelopes-the-complete-guide/