Shop › Fern Necklace Image 1 of 3 Image 2 of 3 Image 3 of 3 Fern Necklace £25.00 Made with aluminium and a stainless steel chain. Ultra Lightweight.Adjustable chain, approx 16 inches in length. Add To Cart Added! Made with aluminium and a stainless steel chain. Ultra Lightweight.Adjustable chain, approx 16 inches in length.