genuine zoku product spill resistant travel tumbler with sipping straw double wall insulated prevents condensation build up keeps hands protected from cold beverages approx capacity 16oz 454ml strong and durable with the highest quality safe non toxic materials bpa and phthalate free dishwasher safe measures approx 8 9x8 9x24 cm 3 5x3 5x9 5 inch this is a genuine zoku product with full warranty and backing directly with zoku the zoku tumbler is spill proof while