Features: 1.Made of zinc alloy, which is strong and durable, does not rust, does not corrode, and is easy to disassemble and reuse. 2.No need to sew, just use a screwdriver to loosen or loosen the buttons of jeans, pants or jackets quickly and easily. 3.This detachable button does not have any pressure on the novice, it is very suitable for home use. 4.The waistband can be adjusted to a small size according to needs, detachable, firm adjustment, no tools required. 5.Can decorate your hats, belts, windbreakers, shirts, pants, backpacks, cotton clothes, etc. specification:Item Type: Jeans Buttons Replacement Kit : 50Pcs Main Material: Zinc alloy (composed of complex materials) How To Use: 1. Use a screwdriver to make a hole at the waist of the trousers. 2. Put the screw through the hole and cover the face cover. 3. Tighten it with a screwdriver. 4. The installation is complete. Size: Approx. 17mm / 0.7in 6mm / 0.2in 7mm / 0.3in PackageList:50 xJeans Buttons 50 x Screw 1 xScrewdriver 2 xStorage Box