Inner diameter before break is 3-1/4"; after break 2-3/4"; at bottom 2" 

Top outer diameter 4"; base diameter (not counting projecting ribs) 2-1/8"

• Flexible silicone bakeware is made of food-grade silicone 
• Can withstand temperatures ranging from -58°F To 482°F for freezing or baking
• Requires little or no grease. Even products thought to be "impossible" will un-mold easily when used with silicone bakeware
• Easy to clean and maintain; dishwasher safe
• You can also view our silicone non-stick baking mat, the Silpat, which is used on baking pans instead of parchment paper