Boundless Voyage Titanium Double-Walled Cup Water Mug Food Grade Drinking Cup for Camping Travel Office Daily Use Ti3084D-new

Double-layer design-Designed with a double-layer. You can hold the cup comfortably even when filled with hot water for safer daily use.High-temperature crystalline inner wallThe inner wall forms a stable natural crystalline layer after treatment at over 900°C. No coatings, it is safe for long-term use with hot water.Food-grade anodized outer wall, safe & attractiveAnodization creates a dense titanium dioxide film with food-grade safety. It features acid & alkali resistance, corrosion resistance. Its color comes from optical interference rather than paint or film coating.