Here is the rewritten description meeting all requirements: This necklace extender chain easily attaches to ring ends creating multiple adjustment options. Perfect for adding length to layer with shorter chains. Made of solid 18k gold it is nickel free lead free hypoallergenic and eco friendly. Very comfortable to wear. The 4 inch piece features a small bead for adjustable sizing. Chain thickness is approximately 1.5mm with a spring ring clasp. Comes with pretty gift packaging. An ideal present for lovers family or friends. Suitable for holidays birthdays anniversaries graduations weddings or special occasions. Dedicated to excellent customer support and reliable products. Contact anytime with questions.