The diameter of the wooden spiral is 1.48 inches. The necklace length can be adjusted by sliding the knots on the cotton cord.The spiral represents change or journey as life unfolds, as well as strength, growth, and peace. This jewelry is also appropriate for bohemian (Boho) or music festival inspired looks, or themed outfits.Fashion jewelry for spiritual men or women, someone who enjoys meditation / yoga, or someone interested in cultures ranging from wiccan, Viking, Mayan, pagan, Nordic, to Celtic, all of which have symbolism in the spiral or swirl.Two trees are planted for each used in production of this jewelry. Trees are grown on sustainable plantations and never taken from rainforests. Don’t overly expose wood to water or harsh chemicals. Use beeswax or mineral oil to keep wood looking new.5% of net profit is donated to environmentally focused charities. This jewelry is handmade, incorporates organic natural materials, and is produced using sustainable practices.