This adult-cute necklace features a matte, non-shiny short pipe. The design is slightly curved, not a straight pipe. It's understated but easy to match, making it an accent for simple fashion. Pipe: 1.3 x 20mm Metallic → The pipe and surgical stainless steel material are also available in other designs. Chain: Approximately 40cm, Surgical Stainless Steel The chain uses hypoallergenic surgical stainless steel. It is rust-resistant, easy to care for, and less likely to cause allergies. It does not contain nickel, a substance that causes allergies. The chain is sourced from a manufacturer specializing in metal allergies. It is a material also used in medical needles, scalpels, and body piercings. A gold version with a surgical stainless steel chain is also available. The photos show the gold version. This is a handmade item. Please see my profile for more details. Recommended for those who like accessories from brands like 4℃, COCOSHNIK, Agete, ete, Jouete, and NOJESS, as well as clothing from Adam et Rope, ZARA, Urban Research, TODAYFUL, Ron Herman, IENA, ships, Spick & Span, Rose Bud, MUJI, GU, and vintage clothing.