Amazon.com.au:Customer reviews: 20 oz 6 Packs Wholesale in Bulk Insulated Stainless Steel Tumblers Reusable Coffee Travel Mugs with Lid Hot n Iced Cups, Double Wall Blank Vacuum Metal Thermal Women Men (Half A Dozen, Orange)
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I didn’t intend to use these every day, but I like them so much that they are the first thing I reach for. It doesn’t matter, cold or hot, it stays that way for a long time. If I leave it with ice over night. The ice is still there in the morning.