The Stanley Easy Fill Wide Mouth Flask 8 oz is the perfect blend of classic design and reliable performance, featuring durable 18/8 stainless steel construction and a leakproof, packable design. Its slim, portable silhouette fits easily into bags or pockets, while the wide-mouth opening allows for easy refills without a funnel. BPA-free and backed by Stanley’s Built for Life™ lifetime warranty, this flask is ideal for custom engraving and makes a great gift or promotional item.