Bpa free. Perfect for Protein Shakes. Mix more. Removable carrying handle. Dishwasher safe. Leak proof. Great for: Protein shakes. Weight loss suplements. Powdered mixes. Water. Patent pending. Unique weight & shape allows. Superior mixing through thick powders. No clumps. Easy clean up. www.jaxxfitness.com. Facebook. Twitter. Pinterest. Made in China.