I haven't used it, as can be seen from the original manufacturer's informational sticker still on the cup.
Columbia PFG Stainless Steel Black 21oz Vacuum Insulated Water Bottle
Kadimendium Thermal Insulated Stainless Steel Cooking Pot Excellent Heat Preservation for Work, School, Outings 304 Stainless Steel Portable Lunch Container (Microwave Oven Style, Dark Coffee)
EVTSCAN Portable 3.7 oz Camp Mug, Vacuum Insulated, Stainless Steel with Plastic Lid, for Outdoor Camping Backpacking Hiking Picnic Drinking Cup Cookware
Owala 24oz/32oz Freesip Insulated Stainless Steel Water Bottle - Black Cherry
Vacuum Insulated Stainless Steel Water Bottle 500ml Flask Sports Gym Drink Flask
Water Bottle Triple Insulated Stainless Steel Straw Flip Sports Top Lid Storage
