Double Walled Ceramic Travel Mug -Multi siz -W/ eco-friendly silicone lid -Stocked/OEM/ODM available -Safety/certificate Double Walled Ceramic Travel Mug1. Material: ceramic2. Good ... Great-Thermal Double Wall-Use as coffee mug, tea mug, milk mug, promotional mug, travel mug, etc.Product photosMore colors, more sizes, more patterns and more choices. Double Wall Ceramic Travel Mug