Shop › Red and Yellow Fibre Necklace - Long Image 1 of 2 Image 2 of 2 Red and Yellow Fibre Necklace - Long £20.00 Add To Cart Added! Hand coil-spun necklace. Merino and bamboo with mercerised cotton core for strength.Nickel free clasp. Hand coil-spun necklace. Merino and bamboo with mercerised cotton core for strength.Nickel free clasp.