Tips:
1.Dirt, oil and gas, water, waste, powder, etc. on the surface of the glass will affect the attachment of the suction cup, Please wipe it clean before using.
2.The suction cups need to be installed over sleek surface. Please note that rough surfaces are not suitable to install.
3.Put the suction cups into warm water(50-70℃) for 3 to 5 minutes and use it after drying. It is simple and helpful to make the sucker stronger.