["Feature:\r\nThe for head is transparent plastic a pattern the needle is spiral with it to decorate or repaired are very good choice\r\nOperation is also very simple and convenient Spiral needles can make them firmer\r\nIf you do not want to organize the sheets every morning, you can use it to keep sheets and mattresses together\r\nyou just need to insert these metal pins into the upholstery without tearing or snagging\r\n and they will grip firmly just simple like that So for why not just give it a try\r\n\r\nTips:\r\nThe needle is sharps Please keep your kids away from them.\r\n\r\nApplication:\r\nfor Ideal for medium to light weight fabrics, bedskirts, slipcovers, upholstery and bed ruffles.\r\nUpholstery Twist Pins are used to help hold fabrics in place.\r\nThey twist firmly into place and remove easily by coiling in the opposite direction and they will not harm your fabric.\r\n\r\nMaterial: Plastic&Alloy,\r\nColor: As Picture Show,\r\nSize:\r\nEvery one with 0.5 inches in diameter, \r\nand wire twist 3/8 inches long.\r\nNote:\r\nSize for manual measurement, there may be a 0 to 2 for cm error, belongs to the normal phenomenon.\r\nAnd due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n\r\nPackage includes: \r\n50 PCS X Heads Twist Pins."]