Content: 1 roll of gold aluminum chain, enough for jewelry making and other purposes. Dimensions: This necklace is approximately 5 meters long. 6.5mm in width, you can use it to create beautiful jewelry and replace your broken necklace or bracelet. Material: The chain is made of good quality aluminum, strong and durable, not easy to break, and this material won't rust or erode easily Multi Purpose: You can use these chain links for different purposes, such as jewelry making, necklace making , crafts and DIY, and the length allows you to make many items Good packaging: the chain comes with a set of rollers, it is designed to prevent tangling. When not in use, just roll it up to the spool, easy to store and convenient to carry.