Built in Spite 30 oz Insulated Tumbler | KLF Brand Workwear

This 30 oz double-wall vacuum insulated tumbler is designed for long shifts, keeping drinks hot for 8 hours and cold for 24 hours. It features a durable finish and spill-resistant lid, suitable for daily use by tradespeople and industrial workers.

• The description claims this tumbler is built for tradespeople, builders, and industrial workers.
• The description claims it maintains temperature through full work shifts.