Does waterproof spray work on backpacks?
Does waterproof spray work on backpacks? The first preventative method you should take when waterproofing your backpack is using a water-repellent spray. Similar to the sprays used to re-proof jackets and shoes, they are a good way to add some extra protection to the material lining of your bag.
Why are backpacks not allowed in school?
Concealing Contraband While certainly not the overwhelming number of cases, such instances have led to some administrators banning backpacks to dissuade students from sneaking illegal and dangerous items onto school grounds.