This blender bottle with shaker balls is made of premium and safe material with PP+PE, BPA Free, and shaker ball is made of 304 stainless steel, premium shaker bottle for mixing protein shakers, smoothie, juice, milk etc. 20-ounce capacity(note: measurements only goes to 12-ounce with precise scale, and embossed markings measure both ounces and milliliters) make your nutrition match more accurate. The non-slip pattern can fully consider the structure of hand, easy to grip. The price including custom logo and freight