Material: These glass mugsMade of thick food grade glass the sturdy, cylindrical shape is extremely easy to clean Can be hand washed or machine washed. Design: minimalistic yet contemporary. vertical outer finish with a beautiful luscious feel, shiny gloss finish inside. each glass coffee mug features a handy glass lid that doubles up as a coaster. Good deal of gift: this clear coffee mug is an good gift. great for christmas, holidays, engagement, wedding party, anniversary, valentine's day, housewarming. size: About 17cm high Material: Glass colour: transparent Package Contents: 1 x Cup Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.