Punch Free Screw Stickers, No Marking, Wall Picture, Dry Wall, No Trace Picture Hanging Kit, 10pcs Material: Acrylic. Size: 6x6x0.6cm / 6x6x0.8cm / 6x6x1.0cm / 6x6x1.2cm / 6x6x1.4cm / 6x6x1.6cm. Universal: Can be installed on the cleanest and smoothest wall surface in your home. Without punch: all kinds of pendants can be installed without drilling holes Durable: This product all use high quality material injection to thicken the film, strong and durable, not easy to age, it will not damage the surface, no trace, no drill, and it can be repeated by washing with water. 'water Easy installation: simple, environmentally friendly and convenient to make solid, seamless and free nail paste. Note: Please allow 1-3cm differences due to manual measurement. Press firmly on the contact surface. Contact surface must be clean and dry. Used on a relatively smooth surface.