Each pandora style bead made by high skilled worker, perfect processing, 100% physical picture, fit perfectly on pandora, troll beads, chamilia, biagi, lovelinks etc chains as well as our very own interchangeable bracelets, necklaces and bangles too. 1.Bead size: 13*7mm rondelle large sterling silver hole bead (approx.) 2. Core size: 4.5mm hole, they are compatible with all major brands of create your own jewelry as well as a wide variety of stringing materials, including our own add a bead bracelets and bangles. 3.Weight: 1.5~2.5 gram each bead (approx.). Packing: opp bags for inner packing, carton box for outer packing.