The Shopping Annuity Blender Bottle is unique and effective. It features a stainless steel Blender Ball that makes short work of your mixing needs. Simply drop the ball in with your ingredients and shake. The ball is designed to stay in the bottle until you've enjoyed the contents. The large Blender Bottle has a 28-ounce capacity when filled to the very top. Available in a variety of colors. Easy to clean and dishwahsher safe. Secure screw-on lid that won't leak. Perfect size for your car cup holder.