The fake collar is detachable, serve as good a decoration for dresses, sweaters, jackets, uniforms, and other casual clothes to make them look formal. They are washable and will not fade, deform or break easily, can accompany you for a long time The collars are versatile matching accessories in your wardrobe and they can go well with your jackets, T shirts, shirts, sweaters, dresses and more, Design: Hidden inside your sweater, dress, or other casual clothes to make it look formal and elegant Can create layered effects as well as bring you more formal and decent appearances