Matthew Calvin Tiny Double Tube Stud EarringsThe pieces double loop recalls figure of eights, infinity symbols, mathematical art. The Tube collection is made up of such beautiful, brilliant, yet low profile pieces. Available in Sterling Silver and Gold plated finishes. Material: Sterling Silver Dimensions: 63 mm x 30 mm x 30 mm Weight: 0. 020 kg Care All of Matthew Calving jewellery is made in solid Sterling Silver. Silver will eventually lose its lustre or shine. To keep your jewellery looking