Make it, shake it, take it! Ideal for mixing and shaking. Leak proof. Double wall - no sweating. Lifetime guarantee (Lifetime guarantee only applicable in US & Canada. See GoContigo.com for details). BPA free. Ideal for mixing and chilling: iced tea; ice coffee; water enhancers; powders. Fits most single serve brewers. www.GoContigo.com. Powered by Autoclose Technology. Top-rack dishwasher safe. For more product use & care instructions visit GoContigo.com. Made in China.