The material is made of resin clay and the back is a safety buckle brooch. Made of waterproof varnish, size about 30mm*40mm (approx.) Each piece is made by hand and there are hand marks that do not affect the use. About size material / 30mm*40mm (approx.) Resin clay The back is a safety buckle brooch About use / Buckle on clothes, hats, bags, scarves About maintenance / Painted with waterproof varnish but not soaked in water Dirty can be wiped with a wet tissue Every one is made by hand There will be manual traces that will not affect the use About post / Default SF Express Foreign friends or designated express can send information contact.