Promotional Obsidian - 295 ml Matte Ceramic and Silicone Mug w/Lid The Obsidian is the ultimate advertising drinkware. This 295 ml Ceramic and Silicone Mug w/Lid combines sleek design, customizable branding, and practicality. With a matte outer finish and glossy inner finish, it's a stylish and comfortable choice. Packaged in a craft gift box, it's ready to make a lasting impression. Showcase your brand, stay a product with low-Impact, and elevate your promotional efforts with Obsidian. The ceramic cup only may be placed in the dishwasher; please remove the silicone sleeve first, and hand-wash it separately.