Selected food-grade 304 stainless steel liner, high-density electrolysis layer, smooth and not easy to hide dirt and bacteria. Portable handle design, a carry-away. High-strength drop-resistant, withstand the drop, and smash, quality is guaranteed. Round cup mouth, spiral texture stopper fits the cup mouth, sealing leak-proof, portable drinking water with hand cover. Measuring 9.8*2.5 inches, this custom outdoor hiking stainless steel insulated bottle 17oz. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization available: Print your logo or customize packaging and color schemes. Product Highlights: BPA-free, leak-proof, travel-friendly.