🧠 Tamper Evidence. Without the hammers. Tamper-evident plastic containers — like Berry Global’s UniPak range — are a smart packaging choice for chilled food, deli, and takeaway products. But despite their popularity, square polypropylene tubs, Tupperware-style pots, and other snap-lid containers can be difficult to seal efficiently on automated lines. With locking lid tabs requiring pressure from multiple angles,…