Simplify the following text for a Grade 4 native English-speaking person.
Original: It is typically 20 to 30 cm ( 8 to 12 inch ) in diameter with relatively low sides that flare outwards , a long handle , and no lid .
Simplified: It is usually about 20 to 30 cm ( 8 to 12 inches ) across . It is flat and has flared sides and no lid .