Guaranteed to keep your favorite drink ice cold or super hot for hours. The Island Culture stainless steel tumbler features copper lining, double wall insulation, and a drink-thru lid with a vacuum seal.
Convenient drink-thru lid that presses in for a tight vacuum seal.
Constructed of durable stainless steel.
Double-wall insulation with copper lining.
Keeps drinks hot for five and half hours. (Use caution)
Keeps drinks cold for over eight hours (a full work-day).