These stylish coffee mugs are heat pressed into moulds from Biocomposite, that's a mix of rice husk, used coffee grounds and other agricultural waste. These mugs are heat resistant and can be microwaved for not more than 1 minute. Microwave safe ☕️ Carry them to your favourite coffee shop and have a brewing hot coffee on the go. Check out other products from our Zero Waste Travel Kit 🌿