Promotional Mugs, Hydro Flask Coffee Mug 12oz - TempShield & BPA Free, Savor every sip. The Hydro Flask Coffee Mug 12oz combines your favorite morning cup with the insulation and dependability of your favorite Hydro Flask. So, feel free to slow down and take in the day, or start your multi-tasking early. TempShield insulation keeps beverages cold or hot for hours. Closeable lid slides shut to tame splashes and traps temp, also slides open wide enough to fit a straw. Soft touch finish for a cozy feel in your hands. BPA-Free. 12oz Hand wash only. ... #1601-94 $31.49/each.