This glossy black ceramic mug carries a bold, vintage-industrial design that speaks directly to tradespeople and anyone who respects skilled hands. Warm orange and distressed white lettering reads like a worn warning label across the dark surface, giving each sip a little grit and personality. The smooth C-handle feels secure in the hand while the high-quality printing pops against the deep black glaze. Use it during early-morning calls, on the jobsite trailer, or at the kitchen counter—this mug holds a generous pour and a touch of working-class pride.

Product features
– Available in 11oz and 15oz sizes
– 100% glossy ceramic — black finish
– Dishwasher- and microwave-safe
– C-shaped easy-grip handle
– Vibrant, durable print; lead- and BPA-free

Care instructions
– Clean in dishwasher (put the product on top rack), or wash by hand with warm water and dish soap

	11oz	15oz
Height, in	3.86	4.72
Diameter, in	3.35	3.35
Diameter (with handle), in	4.72	5.12

DESIGN & AI DISCLOSURE

Pressure Tested Co uses generative AI tools as part of our creative process, including concept development, artwork, design elements, and product imagery. Each product is creatively directed, selected, reviewed, and prepared for sale by Pressure Tested Co, with manual editing and refinement used where appropriate.

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Plumbing Warning Label Mug — Funny Plumber Coffee Cup (11oz / 15oz)