This 550 ml glass mug with straw made of 100% recycled glass is perfect for drinking water, lemonades, teas, juices, or cocktails. The mug is made of recycled glass bottles and has a stainless steel screw cap making it right on trend for people who are looking to enjoy their favorite drink on-the-go. Recycled glass is manufactured using less energy, raw material, and additives, than what is required for making traditional glass. The mug and the straw are both dishwasher safe. . Recycled glass, Stainless Steel, PE Plastic.