Thermal Insulation | Long outdoor trips, office use | Industry: 6h hot/12h cold (basic vacuum flasks) Base: 12h hot/24h cold▲ (ASTM F1329-19) Advanced: 24h hot/36h cold▲▲ (exceeds by 18h hot) | Maintains optimal temperature for 24h+; ideal for multi-day adventures | Advanced version may be bulkier/heavier due to enhanced insulation |
Material Quality | Heavy-duty use, durability required | Industry: 304 stainless steel (standard grade) Base: 304, 0.5mm wall thickness Advanced: 304, 0.8mm wall thickness▲ (ISO 9001 certified) | Corrosion-resistant, lightweight, and non-reactive | Base version may dent more easily under extreme pressure |
Capacity | Day-long hydration, group use | Industry: 500ml–1L (common sizes) Base: 64oz (1.89L) Advanced: 128oz (3.78L)▲ (meets ISO 14122-1 volume standards) | Reduces refill frequency; suits large groups or athletes | Larger Advanced size may be less portable for pocket carry |
Leak Proof Design | Active use, travel | Industry: Passes 3m drop test (basic) Base: ASTM F381-18 compliant (no leakage after 3m drop) Advanced: Enhanced silicone seal▲ (prevents pressure leaks at 2m depth) | Reliable in motion (e.g., cycling, hiking) | Advanced requires careful lid alignment for full seal |
Certifications | Commercial use, export markets | Industry: FDA compliance (minimum) Base: FDA 21CFR 177 + EU (EC) 1935/2004 Advanced: + ISO 22000 food safety▲ (global regulatory alignment) | Meets stringent safety standards for B2B clients | Advanced certifications may delay production timelines |
Customization Options | Corporate gifts, branding | Industry: Basic logos (1–2 colors) Base: Full-color printing (up to 10 colors)▲ Advanced: Full-color + embossed designs▲▲ (ISO 12840 quality) | Enhances brand visibility and personalization | Advanced customization adds 3–5 days to delivery time |