Knitted with cotton yarn. The charm was knitted with a thicker lace yarn. Frame size: Approximately 6.5 cm wide Body: Approximately 8.5 cm wide, 6.5 cm long, and 5 cm deep. It has an inner lining. Please note that this is handmade, so there may be some imperfections such as distortion or misalignment. Thank you for your understanding and purchase. m(_ _)m