Preferred 316 stainless steel, smooth inner wall, no odor, anti-oxidation, corrosion resistance, effectively prevents heat loss. Portable carry rope, more convenient to carry outside. Frosted surface, granular texture, comfortable grip. Sealed structure, pouring water does not leak, and carries more peace of mind. Polished, rounded, and smooth mouth, smooth tightening. Measuring 9.8*3.2 inches, this custom business large capacity insulated bottle 27oz. 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.