"Breathing correctly is the key to better fitness, muscle strength, stamina, and athletic endurance." Dr. Michael Yessis, Phd., President Sports Training Institute, Fitness Writer - Muscle and Fitness Magazine. If you are a fitness enthusiast, you must flaunt it with this smart "Fitness Breather " Design Be it your morning coffee , afternoon tea or whatever hot cup of joy you fancy, this sturdy mug is perfect for it. The glossy white mug with a long lasting design lets you make a statement of works as your daily affirmation. The long lasting design retains its vividness when dish-washed and microwaved even after several times.