All our Straw Toppers / Dust Caps are made from Silicone.
 
Glow in the Dark Straw Topper!
 
They measure approximately 8mm, making these the most universal fitting for most Cold Cups and Beer Can Straws.
 
PLEASE NOTE!
These are a novelty item and not a toy!!  Not recommended for under the age of 3 years.
 
Please see our straws too to add that bit of extra to your cold cups and straw toppers!!