Features: 1.This extending button can be used to increase waist, collar and cuff on jeans, slacks, and shirts 2.Made of high quality alloy and aluminum material, it is durable and lightweight 3.It is removable and reusable, total 20 pieces in one set that will meet your daily need 4.They expand waistbands, shirt collars and cuffs just enough to free you from constraining closures and still provide a secure hold 5.No sewing required, simply slip the elastic loop around your button for instant relief from tight-fitting clothes specification:Description: Have you ever loved a pair of jeans so much but have to give it up just because the waist is too tight? Now here is a solution. This spring extending buttons can help to increase pants waist so you can put on your favorite pants again. This extending button can be used to increase waist, collar and cuff on jeans, slacks, and shirts. Made of high quality alloy and aluminum material, it is durable and lightweight. It is removable and reusable, total 20 pieces in one set that will meet your daily need. They expand waistbands, shirt collars and cuffs just enough to free you from constraining closures and still provide a secure hold. No sewing required, simply slip the elastic loop around your button for instant relief from tight-fitting clothes. s: Material: Alloy, aluminum Total Length(spring+head): 1.8cm/0.71in Height: 0.75cm/0.29in Bottom Diameter: 1cm/0.39in Spring Diameter: 0.19cm/0.07in Quantity: 20pcs Package Includes: 20 x Extending Buttons Note: Please allow small size error due to manual measurement. Thanks for your understanding.