All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
Material: Made of high quality alloy and aluminum material, it is durable and lightweight.
Reusable and convenient: just need to button and unbutton them, you can apply them to many clothes repeatedly; Can be applied to skirts or other fabrics, hidden beneath your belt or shirt and never affect the appearance
Easy to Use: No sewing required, simply slip the elastic loop around your button for instant relief from tight-fitting clothes.
Size: Total Length(spring+head): 1.51cm/0.59in; Height: 0.75cm/0.29in; Bottom Diameter: 1cm/0.39in; Spring Diameter: 0.19cm/0.07in
Widely Application: This extending button can be used to increase waist, collar and cuff on jeans, slacks, and shirts. Suit for both men and women