Axe Sickle Silicone Baking Cups 12PCS Non Stick Silicone Baking Cups Cupcake Liners Muffin Cake Molds. Food grade silicone, BPA Free, FDA Approved, Satisfaction Guaranteed. No muffin pans necessary, these baking cups are sturdy enough to be placed directly on a baking sheet, Comes packaged in a sturdy pvc container. Oven safe up to 450 degrees Farenheit, Suitable for Microwaves, & Freezers. Non stick, washes very easily, & Dishwasher safe on top rack. Perfect size cups, 2.8 inch diameter at top, 1.9" at bottom, & 1.3" height Great for Bento Lunch Boxes.