Size: Over all Lenth-3.6 cm, Width-1.4 cm. Stud Size:1.30 cm, Drop Size:2.70 cm, Material is Rose gold Plated and Metal and Alloy, Closure is Push Back. Care Instructions: Wipe with Soft Cloth after every use. Keep away from Water, sprays or perfumes. Try to store your jewellery in a flat box to avoid accidental scratches. Collection :Latest Opal Collections Stone :Opal Material: Metal