Scotch Heavy Duty Shipping Packaging Tape (3 Tapes) – Link

Amazon has this marked down to $8.68.

• Scotch packaging tape unwinds smoothly and easily; resists splitting and tearing, adheres instantly and has a strong film backing
• tree holding power for heavy tasks; adheres instantly, ideal for packaging overstuffed cartons
• Meets US Postal Service regulations for standard packages, tape made in USA
• Dispenser designed to ensure the tape will not fall back on the roll – Scotch brand’s strongest clear-to-the-core packaging tape
• 3 Count – Clear