Press, sip, and go - Description: Our sturdy and powerful travel mug has been redesigned with user-friendly features, making 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 to facilitate refreshing and frequent sipping. One-handed accessible, self-closing drinking lever. Non-slip silicone base. Isothermal 18/8 stainless steel. Durable construction with coating. Dishwasher safe, foldable arm for easy cleaning, dishwasher-safe lid, and models are BPA, BPS, & GMP free. Compatible with tea infuser accessories: sold separately. Features.