Metal- Sterling Silver. Pure .925 Italian chain. Length- 14,16,18,20,22,24 inches available. If you need more than what we've listed on here please let us know. We have a lot more. Note- This is the thinnest chain we're carrying, they are very very light weighted (about 1 gram to 1.5 gram depends on what length you choose)...Would be good for a little charm or a pendant. If you are looking for next size up, check our 1.2mm cable chains (16,18,20,24 inches available), or our 1.5mm Rolo chain {(Highly recommended) 14,16,18,20,22,24,30 inches available on those} 100% .925 Sterling Silver NICKEL FREE Italian 1.0mm Cable Chain. Rolo style chain. We put this chain in a FREE gift box when we ship it to you!! You only pay shipping once for $2.50 per each length, so you'll save more if you buy all at once. It'll come out a lot cheaper than paying items with free shipping when you buy more than one!!! Our Cable chains are all high polished and made of the finest quality Sterling Silver. This is a very very thin chain and flexible. We recommend this chain to anyone who's looking for lighted weighted sterling silver chain that can hold a small charm or a pendant. Thank you for shopping with us!!