MATT HANN Rainbow Eye Obsidian Safety Circle Pendant Original Handmade Grounding Stone Protection Style: Unisex; Material type (Chain: Nylon; Pendant: Rainbow Eye Obsidian); Size info:pendant size(Pendant Diameter 1.1 inches, Height 0.16 inches);perimeter(adjustable 17.3-23.6 inches) New design for 2017, the unique gift for yourself,friends, family members and lover. Perfect gift for festival such as Valentine's day, birthday, Christmas day, new year,mother's day and wedding. Offer attractive, and exquisite gifts with your luxury product packaging, gift wrap available. Due to natural properties and composition of mined gemstones, pieces may vary slightly in size, shape, weight and color.