Ring-on (I-Tip) Crazy Color Hair Extensions are available In 13 Shaded of Crazy Color from Euro So.Cap color chart. In packs of 10 pieces and in two different lenghts :16/18 and 20/22 inches. They can be fixed in a very simple and fast way , thanks to alluminum color rings (RM) + Loop Tool (PM23) + Assembly/disassembly Tool (pm21). Ring-On Hair Extensions requires neither machinery for the application nor the use of removers for the disassembly . The Ring-On Hair locks can be reused up to 3-4 times.