The astronaut milk mug, made of ceramic, is light in weight , The adorable mug is resistant to both heat and cold, and suitable to use throughout all seasons, whether one wants to relish some hot chocolate during the cold winter evenings or sip on some yummy cool shakes during the summer season.- -The Mugs are microwave and Dishwasher safe -The lid has Small Multi color Thermacoal balls -The built-in silicone lining helps the lid fit in perfectly and prevents any form of leakages. - Gift the mug to children as a return gift for your child's birthday.Size: Capacity - 350 Ml Cup (without lid)- 9.8cm H x 8.2cm diameter Color - White