Introducing Paw Print Can Cups! Each cup is made of high borosilicate glass and includes a bamboo lid and reusable glass straw. Each cup can hold up to 454ml (16oz) of liquid and is suitable for hot or cold drinks. All cups are made by hand so design placement may vary on each cup. They are not suitable for the dishwasher or microwave due to the delicate design on the cup, however they can be hand washed. Please dry the lid of the cup after being washed to avoid damage. Each cup will include a care instructions card to ensure they are used correctly.