[pure titanium office model] gentleman's black 420ml(【纯钛办公款】绅士黑420ML) [pure titanium office model-smart temperature display] gentleman black 420ml(【纯钛办公款-智能显温】绅士黑420ML) [pure titanium straight inside and outside] black 500ml(【内外纯钛直身款】黑色500ML) [pure titanium straight inside and outside] silver 500ml(【内外纯钛直身款】银色500ML) [inside and outside pure titanium straight-gift box] black 500ml(【内外纯钛直身款-礼盒装】黑色500ML) [inside and outside pure titanium straight-gift box] silver 500ml(【内外纯钛直身款-礼盒装】银色500ML) [inside and outside pure titanium children gift box-smart temperature] little rose bear 500ml(【内外纯钛儿童礼盒款-智能显温】小玫熊500ml) [inside and outside pure titanium children gift box-intelligent temperature display] little devil 500ml(【内外纯钛儿童礼盒款-智能显温 】小恶魔500ml)

conventional(常规)