alloy frame? Material:Alloy+Natural bamboo??3Pack??,Size: 3.3 in x 0.8 in.? Literary retro design: the brooch jewelry are in Natural bamboo design, exquisite and elegant, make your eye-catching and impressive.? Universal fit: Bamboo brooch can be clipped on not only sweaters, but also shawls, collars, dresses and most clothes; Suitable for both formal and casual occasions.? Suitable for the occasion:Party,Fashion Show,Photo,Wedding,Bridal,Prom.and so on.? After sales service??If you have any questions, please contact us and we will respond to your email within 24 hours.