Material - Bear jeans waist buckle is made of premium metal material, which is sturdy, durable, flexible and not easy to get deformed. Design - Buttons unique card slot design, can not fall off when stuck, and it will be as tight as the card for a long time. No sewing required, easy installation, simple disassembly. Easy To Install - The instant buttons feature no sew and no tools. Just attach the button trouser extender to the button that comes with the trousers. Instant buttons is very convient for you to replace broken or loose buttons in your cloth. Wide Usage - Suitable to be used as replacement buttons for most jeans, pants, jackets, coats, shirts, overalls, denim bags, skirts, denim suspender trousers and shorts, also add it as the decorative buttons for hats, backpacks, casual clothes, and shoes. Package Includes - You will get 2 pieces bear pants waist tightener.