Choose 304 stainless steel liner; the bottle body is sturdy and more resistant to falls, and the surface sandblasting process feels comfortable and beautiful while paying more attention to non-slip. After thousands of drop tests, it still won’t leak. The threads are processed by a micro-nanometer instrument, screwing smoothly without obstruction, and the drinking mouth is round and smooth, bringing a comfortable experience. Food-grade silicone bottom doubles the anti-slip effect. Measuring 7.4*3.15 inches, this custom double vacuum seamless inner 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.