Material Safety | Daily use, gym, outdoor activities | Industry: BPA-free (ASTM D7373) ▲ Base: BPA-free PS (ASTM D7373) ▲ Advanced: BPA-free PS + NSF certification (ASTM D7373) | Ensures safety from harmful chemicals; NSF certification adds food-grade assurance | PS material may be less durable than stainless steel; NSF certification adds cost |
Thermal Insulation | Hot beverages, hiking, office use | Industry: Basic insulation (no standard) ▲ Base: 12h hot retention (ASTM C1058) ▲ Advanced: 24h hot retention (ASTM C1058) | Maintains hot drinks for extended periods; Advanced version doubles retention time | Base version may not suit extreme cold environments; Advanced adds weight |
Capacity Options | School, sports, long trips | Industry: 500ml–1L ▲ Base: 1L/1.5L ▲ Advanced: 2L (ISO 10708) | Flexible choices for hydration needs; Advanced supports full-day hydration | Smaller capacities may require frequent refills; 2L size may be bulkier |
Time Tracking | Fitness, productivity, health goals | Industry: No markers ▲ Base: Basic time markers ▲ Advanced: Motivational time markers + 15min intervals (ISO 8601) | Encourages consistent hydration; Advanced includes motivational cues | Basic markers may lack precision; Advanced requires user engagement to benefit |
Customization | Corporate branding, personal use | Industry: Basic logos ▲ Base: Sublimation for designs ▲ Advanced: Gradient sublimation + logo + text (ASTM D638) | Custom branding or personalization; Advanced allows gradient and text combinations | Base customization may have limited color options; Advanced requires professional printing |
Eco-Friendly Features | Environmental initiatives, eco-conscious users | Industry: Non-recyclable ▲ Base: Recyclable PS (ISO 14021) ▲ Advanced: Biodegradable PLA (ASTM D6400) | Reduces environmental impact; Advanced uses biodegradable materials | Base recyclable material may not be widely accepted; Advanced may have shorter lifespan |