BUTTERFLY CHOKER. SOLID STERLING SILVER Each item is handmade to order in solid 925 Sterling Silver in my workshop in Spain, giving each piece a unique meaning that is specific and special to you. It has undergone quality control so you can share a long life together. The velvet strip measures 11.8 inches (including the butterfly). It wear a 4 inch (10 cm) chain extender so you can adjust it to the length of your neck. So the choker can be adjusted from 11.8 inches (30 to) 15.75 inches (40 cm).