Stacking 7" Bracelet With Sparkling Crystals, Silver Toned, Sterling My Easy + Pretty Bracelet Stack Formula The Mom Edit Stack Charm Bracelet Etsy Stack Charm Bracelet Etsy. The "Charming" Zstack Standard 7" size consisting of 1 strand of metal enameled tiles. Zstacks are bracelets that can be layered, mixed, matched and stacked. There are a variety of styles to choose from, including options of 1 strand, 3 strands, 4 strands and 5 strands. Made with metal enameled tiles that are lead and nickel free and are geometric in shape. Several styles have strands of small colorful beads. This unique line also offers bracelets made of both highly polished 14K gold and 14K rose gold beads which involves a seventeen layer dipping process. The extremely strong elastic thread makes Zstacks easy to stretch on and off. Zstacks create the perfect stack to be worn individually or stacked with other fine jewelry. These beautiful creations by Jackie have simple silhouettes, are the epitome of balance between dainty and bold and truly goes well with any occasion. Whether someone is at home, the office, the beach or wherever their day and evening takes them these multilayered beautiful bracelets will enhance their look!