Electrostatic forces in plastic bags

[mcaay]

I found a book which suggests that the reason why plastic bags are sometimes hard to open (which feels like they were glued) is electrostatic forces, but no matter how I look at this, I can't come up with any explanation. Is the book correct?

I understand insulators and conductors, how charges interact, how due to electrostatic force atoms in insulators can form tiny dipols, how charge may be transferred by contact and friction and generally all the basics.

 

[Let'sthink]

The whole phenomenon of rigidity and elasticity in solids is basically due to electromagnetic interaction between the constituent atoms and molecules.