BIG10 PennState color change &glow in the dark Drink TUMBLER!
 This drink tumbler is 20oz double walled insulated color changing, the white n lighter colors changes to blue in sunlight and then glows in the dark, and made of stainless steel.. 
 It is great for all occasions. It is very durable and will keep your drink hot/cold for many many hours.  It comes with a slide lid and straw.  An available upgrade is is: a no slip bottom and stainless steel straw for $5
All Tumblers can be personalized and customized to your liking.  
 Shipping available. Buyer pays shipping.