Wide Application: No straps needed, easily holdback or release curtain on both sides of the window,can be used as a universal solution for virtually any window treatment.Solid Structur : Made of durable and long lasting solid metal,suitable to light/medium/weight curtains and voiles,durable not deformation.Premium Craft:Fine grinding and chamfering craft,surface premium quality electroplated,curtain holdbacks no burrs,no damage to curtains and hands.Easy to Install: first put the expansion plug into the holes you drilled in the wall, then press the screw into the U holdbacks,package includes screws and expansion plugsU Shaped Design:Creatively designed from europe,no need to use the straps to tie curtains and create a modern style for your room.