Small straw opening, 0.3" inch wide, 5 inch at length.
Large straw opening, 0.4" inch wide, 6.5 inch at length.
Angled bottoms to access edges of non flat-bottom cups.
Bottom stopper so the straw can't be pulled away from the cup.
It is good to use for small kids who will choke by wide straws.
Reusable Straws for Toddlers & Preschoolers & Kids & Baby: Great for soft baby gums, made of soft silicone. It is safe for small kids chewing on and durable to tear. 5 stunning colors for everyone to keep track of drinks easily.
It comes with a cleaning brush for hygienic manual cleaning.