Category Blog

Your resource for expert guides, creative ideas, and the latest trends in the world of glass packaging and Mason jars, curated by the specialists at Troy.

BPA-free plastic pour spout flip cap lid on a mason jar, shown in open and closed positions.

The Cap That Cracks: Why Your Plastic Lid Failed and What to Do About It

This article explores the common failure modes of plastic Mason jar lids, including temperature cracking, stress cracking, thread stripping, and odor absorption. It provides practical guidance on which products work well with plastic lids and which require alternative materials, helping buyers make informed packaging decisions based on real-world usage conditions rather than catalog promises.