These are Dual Tip Seam Fix seam rippers with large and small blades. Sharp blades with safety ball and individual lid. Specially formulated plastic material grabs and removes excess threads without marking or sticking to the fabric. Innovative extra large thread removers on both ends. This tool is as useful as a pair of scissors. Packaged in high quality printed hang sell PVC box. Colors: Blue, Green, Pink Item Dimensions: 6in x 4in x 7in Item Gross Weight: 1lb 13.9oz.