The addition of ethanol, which is fully miscible in water yet, less polar than Water reduces its solubility. This reduction of solubility results in precipitation of least soluble salts first or the salt which is not soluble in solvents less polar than water.
Pole pockets on banners are something that can cause a bit of confusion. This is compounded by the fact that some companies do things differently when producing banners with pole pockets.
We currently sell our fabric banners with pole pockets online. If you're looking for pole pockets with vinyl banner, please request a custom quote. Pole pockets are designed as part of the original process of ordering your banner to build in sleeves for poles that will be used to display your banner.