Introducing the Lock&Lock Metro Mug 355ml Navy (LHC4218NVY) - your versatile, eco-friendly solution for beverages. Crafted from premium 18/8 stainless steel, this BPA-free mug offers double-wall vacuum insulation for cold drinks at 47 degree F for up to 18 hours and hot drinks at 140 degree F for up to 3 hours. The swing lock and spill-resistant lid with silicone gaskets maintain ideal temperatures. With an attached handle, non-slip bottom, and lightweight design, enjoy a secure grip and reduced noise on any surface. Say goodbye to paper cups and embrace sustainable sipping with the Lock&Lock Metro Mug.