Lit as a Christmas Tree Frost Flex Cup PK8 $17.99 Default Title - $17.99 Quantity This product is currently sold out. Please fill in the form below if you'd like to be notified when it becomes available. These shatterproof cups are perfect for your next party! These cups are great for serving beer, wine, cocktails and soft drinks. 8 per sleeve 16 oz. capacity. Shatterproof.