Earrings by Gail Klevan Small square block stud in acrylic. 10x10mm square and approx 4mm depth. As each piece is handmade pattern may vary slightly. Features Primary Material : acrylic Fitting Type : Post Dimensions (mm) : 10x10x2 One of a Kind : No Hallmarked : No Wire Material : stainless steel Cleaning InstructionsClean with soap and water, do not use perfumes/hairsprays/suntan lotion/insect repellent near jewellery.Very important: do not clean with methylated spirits.