1.100% Brand New And High Quality. 2.High quality BPA free plastic protein shaker bottle, food grade 18/8 stainless-steel shaker circle 3.Our blender cup use food grade 18/8 stainless-steel shaker circle 4.Our shaker bottle is suitable for fitness training, kitchen, office, travel and competition Red, black, green, purple, white and blue 6 colors for you to choose Note 1 Press the lid with your index finger when shaking 2 Very good protein shakes such as protein powders shaken with milk, cold coffee, and other beverages or smoothies, mixed well. Do not use hot water that is above 65 ℃ / 145 ℉ in a shaker, hot liquid will cause air expansion, that will open the lid 3 Prepare your smoothies ahead of time! protein powders, milk, juice, and flavoring ahead of time to make quick shakes on the go!