Package Include: 3 sets black sewing strips. Each set is equipped with 6pcs(25.7cm/ 10 inch long) white waistband tightening 12pcs clear buttons 1pc needle 1pc bobbin and 1pc deliver threading tool sufficient quantity can be used to modify multiple pairs of pants Material: The adjustable waist tightener is made of quality polyester comfortable soft flexible breathable and durable with good elasticity and toughness can withstand repeated stretching not easy to break and deform light weight and easy to carry Easy To Use: Waist extenders for pants are installed internally during use and the appearance is fashionable and can be hidden. The elasticity can be adjusted. It is designed with multiple slots does not need to be disassembled and can be directly machine-washed Versatile Tools for Adjustment: This set is equipped with a variety of tightening elements including buttons needles and tweezers. These tools allow users to easily adjust the waistline without professional alterations providing a quick and effective solution Wide Application: Our waistband tighteners are not only serving as a pants tightener for waist adjustments in both men and women jeans but also useful for organizing clothing and linens extending button placements or tightening pant legs. Ideal for everyday wear