Stretchable liquid silicone rubber designed for ultracomfort with no buckles or clasps. footnote ¹ These extra links act as replacements should really you want to revert to the original size at a later time. If your metal band lacks added links, you may need to find an alternative Answer, such https://oxygen-concentrator-everf19753.59bloggers.com/27201465/nike-apple-watch-band-best-buy-fundamentals-explained