<b>Specifications:</b><br> Product Name: Suction Cup<br> Material: PVC plastic<br> Suction cup diameter: approx 3.0cm/1.2inch<br> <br> <b>Package Content:</b><br> 30 x Suction Cup<br> <br> <b>Note:</b><br> 1.Please using the suction cup hook on smooth, flat, clean and dry surfaces, such as metal, glass, plastic, ceramic tiles and other surfaces. Please do not attach it to the uneven or rough surface.<br> 2.When there are dirt, oil, gas, moisture, waste, powder, etc. on the intended installing surface, please wipe it off before attaching it.<br>