PEPPERLONELY Brand 100 Sets Aluminum Metal Buttons Back Cover Metal Buttons For Fabric Cover Buttons 24mmx24mm(1 Inchx1 Inch) 22mmx22mm(7/8 Inchx 7/8 Inch) Quantity: 100 Sets Size: 24mmx24mm(1 Inchx1 Inch) 22mmx22mm(7/8 Inchx 7/8 Inch) Thickness: 4mm( 1/8 Inch) 7mm( 1/4 Inch) Material: Aluminum(Cadmium Safe)