Adopting multi-layer process technology, the heat preservation and cold preservation effect is long-lasting, which is a good choice for outdoor sports. Selected 304 stainless steel material, brewing without odor, safe and easy to clean. Built-in silicone ring, not easy to leak when inverted. The mouth of the bottle is finely polished, rounded, and not abraded. Measuring 9.25*2.83 inches, this custom double layer vacuum 304 stainless steel insulated bottle 17oz. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization: Logo printing available with multiple packaging and color options. Product Highlights: BPA-free, leak-proof, travel-friendly.