VORTEX Bracelet Product Specifications Material: 18k Gold and High-Performance Titanium Shape Memory Alloy Gold Finishes: Available in YELLOW Gold, WHITE Gold, ROSE Gold, or BLACK Gold Available Sizes: S | M | L Extension Length: 5.5 cm (can be customized upon request) Collection: VORTEX Shape Memory Technology Our signature shape memory alloy allows the jewelry to gently flex and adapt. While the initial size may vary slightly depending on how it is formed, the technology enables the piece to gradually mold to your personal size and shape over time, giving you a perfect, comfortable fit. Size Internal Oval Dimensions Circumference S 5.4 x 4.6 cm ~15.7 cm M 5.8 x 4.6 cm ~16.7 cm L 5.2 x 6.2 cm ~17.7 cm *Shape-memory technology allows slight adaptation to nearby sizes for a flexible fit.