Get hydrated and get a workout at the same time? Yeah, it's possible with these clever dumbbell-shaped water bottles. You get two of them in the pack, each holding a massive 2.2 liters (75 oz) of water. They're made from durable, BPA-free PETG plastic. The genius part is the design: fill them with water (or less water for lighter weight) and use them as makeshift dumbbells for arm curls, shoulder presses, or other light strength exercises. They have a comfy handle for carrying and lifting. The cap has an improved leak-proof design to prevent spills in your gym bag. They're great for the gym, home workouts, hiking, camping, or even just making sure you drink enough water at the office. The black color looks sleek. A super creative and practical gift for fitness lovers, guys or girls. Just remember, they're designed for cold or room temperature water only – don't put boiling water in them. Ditch the boring old water bottle and add a bit of fun to your fitness routine.