A clear design 400ml wall mug, heat resistant to 90°C, cold resistant to -40°C. - Product Name: Wall Mug Tumbler Burl - Color: Clear - Capacity: 400ml - Maximum Temperature: 90°C - Minimum Temperature: -40°C - Materials: AS resin (inner cup, outer cup), polypropylene (lid, bottom), silicone (inner cup, lid)