From the inside out, layers of insulation, long-lasting insulation, lock more heat. Silicone nozzle, preferred material, drink with confidence. Uniquely designed pull-ring handle, easy to take outside. Built-in sealing silicone ring, no seepage, and no leakage. The mouth of the cup is rounded and smooth, so drinking water does not hurt your mouth. Non-slip cup bottom, stable placement, not easy to tip over. The inner liner is made of 304 stainless steel, corrosion-resistant, safe, and healthy. Made from stainless ateel material, measuring 10.4*2.9 inches, this custom outdoor portable sports insulated bottle 20oz. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. We offer logo printing and full packaging customization. Product Highlights: BPA-free, leak-proof, travel-friendly.