The Manna™ 64 oz. Stack Growler comes with four stainless steel 12 oz. cups that stack conveniently on top of the growler, locking into place so you can carry them with you wherever you go. Its integrated handle makes this growler easy to transport, and its 18/8 stainless steel, double-wall vacuum insulated construction means your drinks will stay cold for 24 hours and hot for 12. It's perfect for outdoor excursions, and its leakproof lid means you won't have to worry about running dry on the trails. BPA free.