- Uses: easily and quickly puts tight elastic bands, ribbons, drawstrings, ropes, and bag ropes into the sleeve. - 3 Sizes threader set grabs elastic holding it securely until ready for release. - The threader prevents twists, sashes and trims from twisting and knotting - Great accessory for sewing craft project. - Material: Plastic Specification: - Yellow Length: approx. 7.5cm / 3 inch; Hole Width: approx. 0.5cm / 0.2inch - Pink Length: approx. 8.7cm / 3.4inch; Hole Width: approx. 1.1cm / 0.43inch - Blue Length: approx. 10cm / 3.9inch; Hole Width: approx. 1.6cm / 0.63inch Package Includes: 3 Pieces Elastic Threaders Note: Please allow a little size error due to manual measurement. Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the item's color may be slightly different from the pictures. Please understand.