It&';s the flask that never lets you down-unless of course, it&';s empty. The retro look, portable size, and slim silhouette means that it can slip seamlessly into any situation. There&';s a wide mouth opening for easy refills (no funnel needed). And the stainless steel construction with leakproof cap makes it extra durable. Specs Weight: 0.4 lb. Dimensions: 1.5L x 3W x 7.5H in Details Classic Series 18/8 stainless steel, BPA-free Leakproof + packable Never-lose cap with wide mouth opening