DITOSH 8kg/17.6lb Heavy Coffee Mug Challenge 304 Stainless Steel Dumbbell Cups Silver Overweight Sports Water Cup for Fitness Training Arm Strength Prank Gift Home Gym Workout Equipment 100ml/3.4ozChoose from four different sizes of our dumbbell cup to meet your individual needs: 4 kg with a 100 ml capacity, 6 kg with a 100 ml capacity, 8 kg with a 100 ml capacity, 8 kg with a 300 ml capacity, and 10 kg with a 400 ml capacity. These weights are perfect for arm strength training, helping you achieve your fitness and weight loss goals Crafted from high quality 304 stainless steel, our heavy mug is not only durable but also easy to clean. Whether