Come and Check Our Promo Solutions.14-ounce capacity make your nutrition match more accurate. Premium and safe material with PP+PE, BPA Free, and shaker ball is made of 316 stainless steel, premium shaker bottle for mixing protein shakers, smoothie, juice, milk etc. The protein drinking shaker bottle come with a sturdy top loop so that you can carry it easily, you do not need to worry pain and tired, that's a humanized design. The non-slip pattern can fully consider the structure of hand, easy to grip. 500ml capacity, markings to 400ml. Pls check inventory and detailed info with us before placing your orders.