Practical combination suit: This suit includes 20 elastic button extensions, with 10 jeans button extenders and 10 men's shirt extenders, offering a complete and sufficient set to meet daily needs Long-term stable use: The dress shirt neckline extender is made of high-quality metal, ensuring durability and ease of use for a comfortable wearing experience; the extension cord is crafted from high-quality elastic belt material with excellent elasticity, providing a better and more comfortable fit for pants Adjustable and easy to use: The dress shirt neck expander is simple to operate. Quickly gain extra space by attaching the elastic extender to the existing button on the shirt; the women's trouser extension line features 3 slots, allowing waist extension from 0.5 to 2.5 inches for convenient adjustment Comfortable and invisible: The button extender is discreet and can be worn under a belt or tie without being noticeable. There is no need to worry about visibility, and it requires no sewing, allowing you to wear your favorite clothes comfortably and securely Wide range of applications: Button extenders for shirts and pants are suitable for use with shirts, dresses, pants, jackets, collars, jeans, and more, helping you comfortably wear your favorite garments again Color: black + white Material: Cloth Package Contents: 20 pieces of elastic button extensions, including 10 jeans button extenders and 10 men's shirt extenders Only the above package content is included; other items are not included Note: Light reflection and differences in display screens may cause slight variations in the color of the item as seen in images compared to real life. Measurement tolerance is +/- 1-3 cm