Features: 1.Made of all-iron material, wear-resistant and anti-drop, there are three colors (silver, gold, black) available 2.Three colors can be freely matched, the length of a single strip is about 14cm, and can be combined freely. The length and color matching can be adjusted 3.Through different permutations and combinations, a variety of buckle chain with different lengths are formed to meet most of the length and color needs 4.Can be used on the back of the phone case to free your hands; can be used as an accessory for clothes and pants, which is fashionable and cool; can be used as a pet collar chain by combining the length 5.Can be combined into favorite bracelets or even necklaces and anklets by freely matching colors and lengths; can be used for DIY hand-made, in various ways to develop brain circuits specification:Item Type: Chain : 5Pcs Material: Iron Use: Clothing accessories Size: Approx. 9 x 140mm / 0.4 x 5.5in(manual measurement, there are tiny errors) PackageList:5 x Chain