12 Oz / 350 ml Mason Jar Blank. 
 
This tumbler comes in a white box
Choose either a plastic or metal straw. 
Double wall vacuum insulated stainless steel cup keeps your drinks cold or hot for 6-12 hours.
18/8 stainless steel, No Sweat Exterior.
No toxic chemicals - BPA Free. Perfect for adding glitter to. Can be spray painted. Can be coated with glitter and covered with epoxy/resin.