650 ml. Protects taste, resists odors. Leak proof. Rounded bottom. Taste your shake, not your shaker. BPA free. Lifetime guarantee (Lifetime guarantee only applicable in US & Canada. See GoContigo.com for details). Twist to Remove Storage Container: Holds 2 servings of powder. TasteGuard Protection: Protects taste, resists odors. Engineered for Easy Mixing & Cleaning: Rounded bottom and weighted shaker ball work together to reduce clumps and build-up. For more product use & care instructions visit GoContigo.com. Made in Taiwan.