Tiger Water Bottle 500ml Screw Mug Stainless Steel Vacuum Insulated Heat Retention Cold Home Use Tumbler Compatible Black MMZ-K501KS

Tiger Magic Bottle's unique hygiene specification "BioGuard" series screw mug bottles. Capacity: MMZ-K351 0.35L, MMZ-K501 0.5L, MMZ-K601 0.6L Heat retention efficiency (6 hours): MMZ-K351 above 69 degrees, MMZ-K501 above 74 degrees, MMZ-K601 above 76 degrees Cold retention efficiency (6 hours): MMZ-K351 below 8 degrees, MMZ-K501 below 7 degrees, MMZ-K601 below 7 degrees Body weight (approx.): MMZ-K351 170g, MMZ-K501 190g, MMZ-K601 230g SIAA (Antibacterial Product Technology Council) certified antibacterial processing lid.