Borosilicate Glass Mug with 450 Ml Capacity. Distinguished Design in a Combination of Glass & Cork, in a Variety of Translucent Colours. Presented in an Individual Box with Kraft Finish. Made with Plant-based Elements to Promote the Use of Natural Raw Materials & Reduce Polluting Emissions. Made of Borosilicate Glass, Which Offers Exceptional Strength & Durability, Extending Lifespan & Able to be Reused Countless Times. 450 Ml. Colours: Clear Transparent, Black, Red, Blue. Minimum Quantity: 25.