1---Material: The adjustable Jean Button Pin are made of high quality metal, strong and durable, not easy to corrode, and with great texture. 2---Features: The nail-free adjustable Jean Button, the waistband can be changed into large and small, removable, and the adjustment is fixed, no tools, no sewing, removable and reusable. 3---Tighten Waist: Tie the Jean Button Pin together to tighten the belt and fully show off your small waist. 4---Easy to Use: Simply attach the snap to your pants, skirt or other tight garments, no marks on your pants, reusable, no tools required, easy to disassemble. 5---Widespread: This snap can adjust the size of the waistband in a second if it is too loose, and can also be used as an accessory for hats, belts, windbreakers, shirts, trousers, backpacks, cotton coats, shoes, suits, trousers, coats, shirts, etc. 6---2 different sizes: L jean button : 3*2cm, 3.2*1cm; S jean button : 2.4*1.6cm, 2.7*1.1cm. S size is suitable for trousers with waist size less than 3.5cm, L size is suitable for trousers with waist size 3.5cm or more.