Material: Alloy+Glass. Shape:Round. Size:16x16mm/0.63x0.63inch. Chain Length:40+5cm/15.75+1.97inch. Colors: rainbow like This Handmade Tree Of Life Chakra Pendant Necklace Is Unique. When You Wear It, It Promotes Beauty, Health, Good Luck, And Healing. It Is A Great Gift For Your Best Friend, Significant Other, Or Anyone Who Enjoys Handmade Fine Jewelry