New Stainless Steel Thermal Tumbler (see photos)

New and Never Used! This is branded (see photos) 11 oz double wall 18/8 stainless steel thermal tumbler, with copper vacuum insulation, threaded clear lid, and threaded gasket for can or bottle use the copper plated inner wall helps retain the ideal temperature of the liquid inside the tumbler, can or bottle longer preventing heat from entering or exiting the tumbler by thermal radiation and can make a difference of 9° F / 5° C over 24 hours hot 8 hours cold 16 hours