... ,heat resistant 3,oem service offered 4.100%recyclable Promotional Water Cup Specification; 1,Material is Borosilicate which is eco-friendly,heat ... resistant and no plumbum 2,different style:straight cup,office cup with handle.different volume:300ml,350ml,390ml,430ml,530ml ... for daily use,nice as company promotion gift 6,each cup have different cap and packing for you choose Show pictures ...