These straws fit metal straws 0.24" (6mm) outside diameter.

These will convert a metal straw to fit our plastic straw toppers, with 0.29" (8mm) outside diameter.
 
These silicone straw tips come in 11 colors, including Purple, Pink, Red, Orange, Yellow, Green, Blue, Light Blue, Light Green, Clear and Black
 
Great to use for identifing your cup clearly by the color of the straw tips.
 
Safe and Reliable, the straw cover is designed for metal straws or stainless steel straws, made of quality silicone material, safe, reliable and no odor, soft and flexible; Just put them on your metal or stainless steel straw, which can protect your teeth and lip from heat and cold.
 
Colors may differ slightly from your computer.