Size: 7" average Material: Flex Metal Gemstones: 8 to 10 mm Purple Jade: is a stone of mirth and happiness. By purifying the aura and dispelling any negative feelings or attitudes, it allows for the spontaneous joy of life to fill the soul and spill over to others. White Agate (8 mm):They are known for helping balance yin/yang energy and are a calming and protective stone. Also helpful in overcoming negative emotions by bringing love into the chakras. What is a Flex Bracelet: It is Stainless Steel Flex wire - kinda like the toy called Slinky was made from. It adjusts to all wrist sizes and you can bend it without breaking it. There is a hook on the back of the bracelet to secure it closed - see one of the pics.