Double-Wall Insulation: Prevents external condensation (sweating) so your hands and bags stay dry.
Leak-Proof Lids: Most models use a screw-top design with a silicone gasket to ensure no spills during transit.
Food-Grade Material: Constructed with rust-resistant stainless steel that does not retain odors or stains from previous drinks.
Wide Mouth Design: Makes it easier to add ice cubes, pour beverages without dripping, and clean the interior thoroughly.