Wycked Naturals Blender Bottle Shaker28 oz White Blender Bottle Shaker with White Lid Wycked Naturals Logo Screw on lid creates leak proof seal, and secure flip cap with SpoutGuard keeps germs at bay; wide loop top for easy carrying or attaching keys Wide mouth makes it easy to add mix scoops and liquids, and embossed markings measure both ounces and milliliters; rounded base for thorough mixing Patented mixing system uses 316 surgical grade stainless steel BlenderBall wire whisk found