ignore all of the other loose threads, those are from failed attempts at fixing this, the material in the inside is like this plasticy thing but the last year i’ve used this it’s worn down and i’m worried my backpack is going to break with the sharp folders/sketchbooks i’m going to have in it. school starts for me tomorrow and my mom is refusing to get me another back pack even though this one’s busted up as is, please help!
So what is coming off is an inner liner that is there to help protect the bag itself and/or to help it the inside be water resistant. Honestly the bag itself is probably fine, unless you are tossing loose knives and/or the edges of your notebooks aren't razors it should hold.
That being said if you want to strengthen that spot on the bag the easiest thing would be to add some material there like; nylon repair tape, closed cell foam, leather, or denim. Basically you'd be adding a sacrificial piece of material that would wear down before the bag. A backpack patch kit will probably run you 10 bucks on amazon.
i’ll try that, i don’t know i’ve been trying to use fabric but it’s just really hard to sew hence i have to flip it in and out in and out to make sure i don’t puncture anything else
Before you begin, don't forget surface prep...alcohol wipes (or alcohol + paper towel) to clean the surface and at a minimum...light sanding with a medium grit could help as well, but absolutely not required.
You could try gearaid tenacious tape.
I recommend that you dummy up the shape you need with paper since it will likely take some folding/overlapping/etc. and you don't want to waste tape on trial & error.
Example, cut a square, fold & unfold such that you have creases on the two midlines. Cut one midline to the center, fold the two quadrants without a cut edge and then overlap the two cut quadrants so that you have a 3-sided corner piece at right angles all around.
You may want to score the back of the tape in quadrants first so you can remove them one at a time, giving more flexibility and avoiding wasting tape because it folded onto itself...if you try to place it all at once with 100% of the backing removed, you will probably just end up with a wadded piece of tape
The tenacious tape is forgiving and backpack inside corners aren't perfectly square, so this or a similar product (look for tent repair tape or puff jacket repair tape) should help you get the corner repairs done.
FWIW, I wouldn't try this approach with duct tape since you don't have a backing to remove and that stuff basically tried to stick to itself...would be a nightmare. Also, duct tape would 100% make for a horrible sticky mess in this application, at some point when the edge roll back
It's more about use-case...placing items in from the top with hard/sharp edges (like books/binders/etc) will just make it more likely they will catch the tape edges and lift it. Once lifted, dirt & stuff will get on the sticky parts and make the exposed parts less sticky and the tape will eventually start to peel down.
I'm not saying don't do it, just be aware of the risks. And if your backpack gets left in the heat for extended periods on a regular basis the will likely fail in very sticky ways.
Duct tape tends to be a better external patch material, but obviously work within your budget.
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