Double Wall Insulated Acrylic Wine Tumbler with Bottle Opener, 12 OZ (Pink) Lock-in cap to prevent unnecessary spills from the top Double wall insulated: keeps it cold, less sweat, no mess Bug-resistant, spill proof and unbreakable, Non-toxic, BPA free Features added corkscrew that easy pops in and out of the bottom Ideal for locations where glass isnt allowed