This water bottle is specially designed with a mixing ball, perfect for mixing protein shakes, shakes and supplements. Stainless steel, BPA free, no smell. The large opening is ideal for filling water, ice cube, various sports drinks, and is convenient clean and dry. Perfect for workouts, running, hiking, cycling, cycling, camping, yoga or other sports at home, in the gym, in the office or outdoors. Features: Food grade mixing ball for fast dispersing of powders into liquid, easy to clean. Durable stainless steel, BPA free, rust-proof, can rest assured to use. Equipped with clear markers, it is better to increase your daily water intake. The wide opening holds ice cubes, easy to fill and clean. The snap-on lid allows for easy drinking and pouring with one hand. Suitable for workouts, running, hiking, cycling, cycling, camping, yoga or other sports in home gym and office. Specifications:Material: Stainless SteelCapacity: 700mlColor: Red/Black (Optional)Product Size: 7*10*22.5cm / 2.8*3.9*8.9inItem Weight: 280g / 9.9oz Packing List:1*Water Bottle