Address a common pain point: ill-fitting labels that either won’t shrink tightly or damage cables. Explain shrink ratios (2:1 = diameter halved; 3:1 = diameter reduced to 1/3) and their impact on fit. Guide readers to measure cable diameter first—labels must slide on easily pre-shrinking but fit snugly post-heating. Warn against ignoring ratio: a 3:1 label on a small cable may over-shrink, distorting text; a 2:1 label on a thick cable won’t shrink enough. Discuss material considerations: PET for durability, PVC for flexibility, polyolefin for chemical resistance—each affecting how size translates post-shrink. Offer tips for narrow cables (common in data centers/electrical work): prioritize precision-sized tubes and avoid oversize labels that bunch. For large containers, opt for higher ratios to ensure full coverage. Conclude by emphasizing that matching size, ratio, and cable diameter is critical for readable, long-lasting labels—preventing wasted materials and safety hazards.  Click here to know more.