Press, swallow, and go - Description Our robust and powerful travel mug has been redesigned with user-friendly features that make it an essential travel companion for on-the-go refreshments. It features a one-handed lever for dispensing liquid and a convenient free-flow closure system that opens for frequent sips. The non-slip silicone base and finish ensure greater durability. Technology Waterproof when closed. The closures open for easy refreshing and frequent sipping. One-handed accessible, self-closing drinking lever. Non-slip silicone base. Isothermal 18/8 stainless steel. Durable coated surface. Dishwasher safe, collapsible arm for easy cleaning, dishwasher-safe closure, and dishwasher-safe models. BPA, BPS, and GMP free. Compatible with tea infusion accessories: sold separately. Features.